--- The free gift doesn’t look good.

--- _____, madam, but if you want good quality, you have to pay for it.

A．No doubt

B．No offence

C．No problem

D．No way

45岁经产妇，近2年痛经并逐渐加重，伴经量增多及经期延长，届时需服强止痛药。妇科检查：子宫均匀增大如8周，质硬，有压痛，经期压痛明显。

痛经逐渐中重的原因最可能为

A．子宫内膜癌

B．子宫腺肌病

C．功能性痛经

D．子宫内膜结核

E．子宫黏膜下肌瘤