'Use the sentences to answer the question.'

Question

(When Shawn arrives at work,) he hangs his jacket on the chair.
letters that are in () mean bold btw
Which grammatical element do the bold words represent?
A. dependent clause
B. phrase
C. independent clause
D. sentence
If anyone has answers for the entire test that would be appreciated
(Grammar and Punctuation II Unit Test)

Answer 1

A. dependent clause