Reasoning:

Ice-cream is a frozen dessert that is made of milk or cream, sugar, and flavorings. It is a popular treat that is enjoyed by people of all ages. However, it is particularly popular in the summer season because of the following reasons:

1. Heat: During the summer season, the temperature rises, and it can become quite hot. People often feel thirsty and crave something cool and refreshing. Ice-cream is a perfect solution to beat the heat as it cools down the body and provides relief from the scorching sun.

2. Summer vacations: Schools and colleges are closed during the summer season, and people often go on vacations. Ice-cream is a popular snack that people enjoy during their vacations, whether they are going to the beach or the mountains.

3. Availability: Ice-cream is readily available during the summer season. Ice-cream parlors, street vendors, and supermarkets all stock up on ice-cream during this time. This availability makes it easier for people to indulge in their favorite treat.

Conclusion:

In conclusion, ice-cream is popular in the summer season because of the heat, summer vacations, and availability. It is a refreshing treat that people enjoy during this time, and it helps to cool down the body and provide relief from the hot weather. Therefore, the correct answer is option B, summer.

Because if We eat ice cream in winter we can get cold so people eat ice cream in summer so as not to get sick