The officers made it clear that they were
题型：单项选择题
问题：
The officers made it clear that they were letting her go only because that she was old and not because she was above suspicion.
A．for reason
B．due to
C．because of
D．on the grounds
The officers made it clear that they were letting her go only because that she was old and not because she was above suspicion.
A．for reason
B．due to
C．because of
D．on the grounds