As a businessman Mr. Green is a complete failure. Being lazy may well be one of theto his

问题补充：

As a businessman, Mr. Green is a complete failure. Being lazy may well be one of theto his success.

A. drawbacks

B. shortcomings

C. disadvantages

D. barriers

答案：

A. drawbacks

B. shortcomings

C. disadvantages

(答案→)D. barriers

解析：句意：做为商人，格林先生完全是个失败的人，懒惰很有可能是他成功的障碍之一。用barriers“障碍”，其他三个选项：A. drawbacks缺点，劣势，B. shortcomings缺点，C. disadvantages缺点，劣势，都不符合句意。选D。