Answer :
The answer is C.
This is one of the part of the sentences when we find a dependent clause. The dependent clause is 'when she jumped into the pool'. The definition of a dependent clause says that it is a group of words with a subject and a verb.
This is one of the part of the sentences when we find a dependent clause. The dependent clause is 'when she jumped into the pool'. The definition of a dependent clause says that it is a group of words with a subject and a verb.