13.

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

though it was not always a smooth sailing is an adverbial clause of concession, Ward recalls almost colliding with a reef is an interjection used to explain the previous adverbial clause, the Min was found... as the main clause. Therefore, the symbols before and after the parenthesis are consistent, and item A/C is wrong. Item D is wrong. There should be no comma between the predicate (recall) and the object (almost colliding...).