单选题 Don Hambrick, a management professor at Penn State's Smeal College of Business, says "It's become much more______and a lot less fun to be an executive or director."
A. sinking B. indifferent C. taxing D. slouching

【正确答案】 C

【答案解析】[解析] sinking“沉没”；indifferent“无关紧要的”；taxing“繁重的，费力的”；slouching “没精打采的，懒散的”。