Which of the following is true about paragraphs?

A) A paragraph is a group of sentences that develops an idea.
B) A paragraph should have unity and coherence.
C) A paragraph should begin with a topic sentence and should use transitions.
D) All of these choices are correct.
E) None of these choices is correct.

Topic Sentence

A sentence that summarizes the main idea of a paragraph or section, often found at the beginning to provide a clear focus.

Coherence

The logical and orderly presentation of ideas in a text or speech, which enhances understandability and flow.

Transitions

Movements, passages, or changes from one state, condition, subject, place, etc., to another.