钟嗣成《录鬼簿》著录王实甫创作了《西厢记》等杂剧多少种（）。
A.11
B.12
C.13
D.14
参考答案：D
—Is Maria eleven years old?
—______. [ ]
A. Yes, she does
B. No, she isn't
C. No, she doesn't
D. She is twelve
构成共同海损必须具备的条件有哪些？
