Question

4. Mo Yan’s books have been sold out in many bookstores       his winning of the Nobel Literature Prize.

   A. because   B. since

   C. as   D. because of

Answer 1

4. D

句意：由于莫言獲得了諾貝爾文學(xué)獎(jiǎng)，他的書在很多書店都售光了。because of意為“由于”，后接名詞或名詞短語，符合句意。而because意為“因?yàn)椤保�引�?dǎo)原因狀語從句；since意為“自從，既然”；as意為“當(dāng)……時(shí)候”，均與句意不符。