A) sylvia was truly upset by the bad news, you know? b) as you can imagine, sylvia was distressed by the bad news. c) of course sylvia was concerned over the upsetting message. d) no one was surprised that sylvia was upset by the information.

A). Sylvia was truly upset by the bad news, you know?

A is the answer to this question. Hope this helps!

expository writing is one of the most common types of writing.

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.