说明理由

说明理由
1.No sooner ______ than the wedding ceremony was announced to begin.
A.had the limousine arrived B.did the limousine arrive
C.had the limousine arrive D.arrived the limousine
2.Researchers are now conducting hibernation experiments and can use chemicals to put living cells into sleep-like state _______ they don't age.
A.for which B.that C.where D.which
3.The modern carpenter would be just as able to produce craftsmanship as the carpenter of fifty years ago if _______ proper tools and materials.
A.to be given B.being given C.giving him D.given