B. A clear statement of the text's central idea, with relevant supporting details.
Explanation:
Objective summary may be explained as brief writeup or paragraph of the major points discussed in a passage or text. Points given in a objective summary should not be from the readers judgement or perception, but come exact text in the passage. This means objective summaries will usually contain texts from the passage which denotes the major or main information about the passage. The main ideas of the passage will be the main or central text and the relavent details from the passage which supports this central idea.
