. She _____ on this essay for twenty minutes but she has written only about a hundred words.

A．will be working

B．worked

C．has been working

D．will have worked

The old couple don't want to _______ their son and still live in the countryside although their son urged them to move to the city and live with his family several times.

A．bother

B．disturb

C．interrupt

D．dislike