题目内容:
Thetextindicatesthatprivateschoolsareveryselectivebecausethey
A.havenoreliablemethodstopickstudentsforaclass. B.wantagoodmixtureofboysandgirlsforclasses.
C.encountermoredemandthantheycancopewith.
D.prefertoenrollchildrenoftheirrelatives.
参考答案:
答案解析: