Which of the following are NOT true about writing paragraphs?

Select one:

a$.$

The main idea of each paragraph is usually expressed somewhere in the paragraph by one sentence.

b$.$

A paragraph$$s topic sentence is usually found at the beginning of the paragraph.

c$.$

The rest of the paragraph generally expands the theme contained in the main$/$topic sentence.

d$.$

In order for a paragraph to be easy to read, the information in it must flow easily from one sentence to the next.

e$.$

Single$-$sentence paragraphs is a good way of writing to help your reader follow your argument.