In what way is clustering a helpful prewriting strategy A. It forms connections between the topic and related ideas.
B. It explores the topic by asking a series of questions.
C. It lists ideas that are related to the topic in a logical order.
D. It allows for the jotting down of ideas about the topic in a timed manner.

The manner in which clustering acts as an effective strategy for prewriting would be:

B). It explores the topic by asking a series of questions.

'Clustering' is defined as the prewriting strategy in which one can develop a map for the ideas he/she is willing to present regarding the key idea.This helps the author in inspecting the idea thoroughly and arranging them into the timeframe in which it is to be presented.It makes the broad main idea into a reasonable and effective form to present to the readers.

Thus, option B is the correct answer.

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It is compared to 1700 earlier time