-How’s that？Who broke the glass?

-Well，it________me.I was doing my homework the whole evening.[ ]

A．hasn’t been  

B．hadn’t been

C．weren’t  

D．wasn’t

莱茵河：欧洲

A．多瑙河：北美洲
B．非洲：尼罗河
C．亚马逊河：南美洲
D．亚洲：黄河