48.

Answer and Explanation

Your Answer is

Correct Answer is F

Explanation

There are two sentences before and after item F, and the latter sentence is an explanation of the previous sentence, which is correct.

The colon in item G is not needed, and the following is the adverbial clause of reason, which should be directly connected with the main clause.

The H item is not a complete sentence after the semicolon.

Item J is not a complete sentence after the semicolon.