17. Which of the following is a complex sentence that contains a dependent adverbial clause?


A. Mark expects the photo to arrive late.
B. Mark expects the photo to arrive in damaged condition.
[C. Mark expects the photo to arrive when the letter arrives.]
D. Mark expects the photo to arrive on Tuesday.

Right.

To determine which of the given options is a complex sentence that contains a dependent adverbial clause, let's break down the options:

A. "Mark expects the photo to arrive late." - This is a simple sentence with a dependent infinitive clause.

B. "Mark expects the photo to arrive in damaged condition." - This is a simple sentence with a prepositional phrase.

C. "Mark expects the photo to arrive when the letter arrives." - This is a complex sentence with a dependent adverbial clause. The dependent adverbial clause in this sentence is "when the letter arrives."

D. "Mark expects the photo to arrive on Tuesday." - This is a simple sentence with a prepositional phrase.

Therefore, the correct answer is C. "Mark expects the photo to arrive when the letter arrives."