---Are you content with her lecture? ----Far from that. It _______.

A．may have been good

B．couldn’t have been worse

C．can’t be better

D．must be better

甲药品零售企业出售的阿司匹林片有效成分低于国家药品标准，此行为侵犯消费者的（）

A.安全保障权

B.真情知悉权

C.自主选择权

D.获得赔偿权