He is an interesting speaker but tends to go off at a tangent.a)change...
It means to start talking completely different subject. Hence, A.
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He is an interesting speaker but tends to go off at a tangent.a)change...
Explanation:
Going off at a tangent means to change the subject abruptly or deviate from the main topic of discussion. The speaker may start talking about something that is not related to the original topic or may bring up a new topic altogether.
Option A: Change the subject immediately
This option accurately describes the behavior of someone who goes off at a tangent. They tend to change the subject immediately without any warning or transition, which can be confusing for the audience.
Option B: Forget things in between
Forgetting things in between is not necessarily a characteristic of someone who goes off at a tangent. They may remember all the details but still change the subject abruptly.
Option C: Go on at great length
While it is possible for someone who goes off at a tangent to go on at great length, this is not the defining characteristic. The main issue is that they are not sticking to the original topic of discussion.
Option D: Become boisterous
Becoming boisterous is not related to going off at a tangent. It refers to someone who becomes loud and energetic, which may or may not be related to the topic at hand.
In conclusion, option A is the correct answer as it accurately describes the behavior of someone who goes off at a tangent by changing the subject immediately.