四六级考试

根据网考网考试中心的统计分析，以下试题在2015-12-6日四六级考试六级习题练习中，答错率较高，为：52%
【单选题】（） hardiness, daylilies can be cultivated particularly easily.
A. their
B. since their
C. it is their
D. because of their

网考网参考答案：D，答错率：52%
试题解析：点击查看解析