类固醇、儿茶酚胺、肾上腺素等物质测定时，尿标本防腐剂应选用()

A．甲苯(二甲苯)

B．甲醛

C．浓盐酸

D．麝香草酚

E．浓硫酸

－ Father, you promised!

－ Well, _______. But it was you who didn't keep your words first. [ ]

A. so was I

B. so did I

C. so I was

D. so I did