He is a financial manager in Wall Street now, but nobody knows he _____ part-time jobs here and there for survival for eight years.

A．does

B．did

C．had done

D．has done

大补元煎的组成是（）

A.人参、熟地、山药、山萸肉、菟丝子、炙甘草、远志、五味子

B.人参、熟地、山药、山萸肉、枸杞子、炙甘草、杜仲、当归

C.人参、熟地、黄芪、白术、茯神、远志、酸枣仁、当归

D.人参、熟地、黄芪、白术、茯苓、甘草、白芍、当归

E.人参、熟地、黄芪、白术、陈皮、柴胡、升麻、当归