单项选择题
A.a bibulous B.an incipient C.a subtle D.a tasteless E. a querulous
A.mendicants... assist B.detractors ... escape from C.colleagues ... eschew from D.analysts ... dissimulate with E. contributors ... redound to
A.gratify... evanescent B.perplex... ancient C.mollify... perpetual D.vindicate... tentative E. confound ... enduring