专升本考试

【单选题】 It is necessary that she ______ to the hospital at once.
A．send
B．was sent
C．have been sent
D．be sent

网考网参考答案：D
网考网解析：
it is necessary that ...句型中，that引导的主语从句中要用虚拟语气，其构成是：“should+动词原形。” 查看试题解析出处>>