VI. Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of the sentence in the following questions from 49 to 50.
The girl was very polite. The girl answered the phone.
A.The girl was very polite who answered the phone.
B.The girl which was very polite answered the phone.
C.The girl when answered the phone was very polite.
D.The girl who answered the phone was very polite.