Which is the topic sentence of the following paragraph? Each paragraph should have a topic sentence, support, and a concluding sentence. The topic sentence tells the one thing you will discuss in this paragraph. The support gives the information, facts, details, reasons, examples, and anything else you wish to tell about the one topic you are writing about. The concluding sentence summarizes the paragraph's content.

a) Each paragraph should have a topic sentence, support, and a concluding sentence.

b) The support gives the information, facts, details, reasons, examples, and anything else you wish to tell about the one topic you are writing about.

c) The concluding sentence summarizes the paragraph's content.

d) The topic sentence tells the one thing you will discuss in this paragraph.