—Whose notebook is this?—It Jane’s. It has her name on it.A. must beB. might belong toC. m

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(答案→)A. must be
B. might belong to
C. may be
D. could be
解析：考查情态动词表推测的用法。根据答语的内容上面写着她的名字，表示肯定性推测所以用情态动词must，句意为一定是珍妮的。故选A。