C.by D.through

　　2.A.study B.imitate

　　C.stimulate D.learn

　　3.A.mates B.relatives

　　C.members D.fellows

　　4.A.which B.that

　　C.those D.ones

　　5.A.even B.despite

　　C.even if D.in spite of

　　6.A.mind B.concern

　　C.care D.involve

　　7.A.hire B.apply

　　C.adopt D.use

　　8.A.in public B.at most

　　C.at large D.at best

　　9.A.right B.privilege

　　C.share D.possession

　　10.A.consists B.comprises

　　C.constitutes D.composes