mAny oF thE suCCEssFul mEn, hAD thEy BEEn ABlE to ChoosE For thEmsElvEs, woulD hAvE sElECtED somE quitE DiFFErEnt proFEssions______ thEy hAvE mADE FortunEs.
A．From thAt in whiCh
B．From whiCh
C．in whiCh
D．From whAt