（ ）the government's effort to cut the homework burden of pri

（ ）the government's effort to cut the homework burden of primary and middle school students ______mixed reactions.
A.have drawn
B.has drawn
C..have been drawn
D.has been drawn
答：B.
简译：政府的努力引起了反响.
简析：主语是effort, 三单作主,排除AC. Draw后还有名词reactions, 不可能被动.（被动后加by才会跟名词引出执行者）排除CD.只剩下B.
不用说什么主动表被动等等.也不是这么回事.