The nurse is teaching breast self-examination (BSE) to a college student. The nurse knows that the client understands the best time to examine her breasts when she says:（）.

A．"I'll examine my breasts 1 week after my period starts. "

B．"I'll perform a BSE just before my period starts. "

C．"I must examine my breasts the same time each day. "

D．"Every time I shower I'll do a breast examination. "

西亚大部分地区的气候类型为（　　）

A．温带草原气候

B．温带沙漠气候

C．热带草原气候

D．热带沙漠气候