Japanese workers often form close personal relationships and older staff may even become a ______ to junior staff.

A．She wants to share the good news with him.
B．She wants to get some advice from him.
C．She wants him to understand the matter.
D．She is showing off.

A．He keeps his radio on in his room at midnight.
B．He plays his instrument too loudly.
C．The radio in his car wakes her children up.
D．His friends are too noisy.