2道题同时求教

21.   While the owner of a condominium apartment has free and clear title to the dwelling, owners of cooperative apartments have shares in a corporation that owns a building and leases apartments to them.D

(A) While the owner of a condominium apartment has free and clear title to the dwelling,

(B) The owner of a condominium apartment has free and clear title to the dwelling, but

(C) Whereas owners of condominium apartments have free and clear title to their dwellings,

(D) An owner of a condominium apartment has free and clear title to the dwelling, whereas（C）

(E) Condominium apartment owners have a title to their dwelling that is free and clear, while

这题我选了D，答案是C。D的错误是不是在dwelling前面不该用定冠词？

22.  Although
     films about the American West depict coyotes as solitary animals howling mournfully on the tops of distant hills, in reality these gregarious creatures live in stable groups that occupy the same territory for long periods.C

(A) films about the American West depict coyotes as solitary animals howling mournfully on the tops of distant hills

(B) in films about the American West coyotes are depicted to be solitary animals that howl mournfully on the tops of distant hills

(C) coyotes are depicted as solitary animals howling mournfully on the tops of distant hills in films about the American West

(D) films about the American West depict coyotes as if they were solitary, mournfully howling animals on the tops of distant hills（A）

(E) films about the American West depict coyotes to be solitary and mournfully howling animals on the tops of distant hills

这题我选了C，答案是A。C为什么不对，请高手指教。

1.D从句变主句，改变句子重心

2.主动优先