—Would you mind my using your dictionary?

—           . Go ahead.

A．Yes

B．Sure

C．Of course not

D．Not a little

妊娠六十日左右，出现阴脉小弱的机理是：

A．下焦精血素亏

B．胎元初结，阴血相对不足

C．恶阻呕吐，阴液亏耗

D．恶阻不食，精血生化不足

E．以上都不是