The correct answer is option 'B' - Sunita Williams.

Explanation:
Sunita Williams holds the record for the longest spaceflight by a woman. She spent a total of 322 days, 17 hours, and 56 minutes in space during her various missions.

Sunita Williams is an American astronaut of Indian descent. She was born on September 19, 1965, in Euclid, Ohio. She has an extensive career in the United States Navy and the National Aeronautics and Space Administration (NASA).

Sunita Williams' Space Missions:
1. Expedition 14/15 - Sunita Williams' first space mission was as a flight engineer for Expedition 14/15. She launched on December 9, 2006, aboard the Soyuz TMA-9 spacecraft and docked with the International Space Station (ISS) on December 11, 2006. She spent a total of 195 days, 19 hours, and 38 minutes in space during this mission.

2. Expedition 32/33 - Sunita Williams' second space mission was as a flight engineer for Expedition 32/33. She launched on July 15, 2012, aboard the Soyuz TMA-05M spacecraft and docked with the ISS on July 17, 2012. She spent a total of 127 days, 1 hour, and 20 minutes in space during this mission.

3. Sunita Williams also participated in other spacewalks and missions, including the Space Shuttle missions STS-116, STS-117, and STS-118.

Longest Spaceflight by a Woman:
During her various space missions, Sunita Williams spent a total of 322 days, 17 hours, and 56 minutes in space. This duration surpasses the records of other women astronauts, making her the woman who has spent the most time in space.

Sunita Williams' Achievements:
Apart from her record-breaking spaceflight, Sunita Williams has achieved numerous other accomplishments throughout her career. She has completed a total of seven spacewalks and has accumulated over 50 hours outside the ISS. She has also held several leadership positions during her time at NASA.

In conclusion, Sunita Williams holds the record for the longest spaceflight by a woman. She has spent a total of 322 days, 17 hours, and 56 minutes in space during her various missions, making her a highly accomplished astronaut.