34.   –You’re not worried about your English, are you?

--No, certainly not. Not Chinese, not math and _____ English.

A．as far as

B．at the least

C．best of all

D．least of all

面对网购火爆和消费投诉猛增的态势，专家呼吁强推“商家无理由退货”制度。这要求商家  [ ]

①行为前预见与选择

②不求报酬地去销售

③行为中自律与自控

④行为后自省与负责

A．①②③

B．①②④

C．①③④

D．②③④