单选题 Mr. Cook has been ______ with evaluating and recommending uses of computer technology in all aspects of business.

【正确答案】 D

【答案解析】[解析] 词汇：动词
1．这是一道词汇题，选项均由动词构成。
2．charged意为“负责任”，D项为正确选项。charge A with B(A对B负责)及其被动式(A is charged with B)经常在考题中出现。obligate是及物动词，后不接介词with。