-Hi,Ann! I won the first prize in the English Speech Contest.

-Congratulations!And I guess your parents must____you.

A．be mad at

B．be proud of

C．be angry with

D．be impolite to

化工设备图的视图布置灵活，俯(左)视图可以配置在图面任何地方，但必须注明“俯(左)视图”的字样。