单选题 His employer appeared to be in such an {{U}}affable{{/U}} mood that Tom decided to ask for a raise.
【正确答案】 C
【答案解析】[分析] 形容词辨析 affable和蔼可亲的;A.despondent沮丧的;B.irresponsible不负责任的,不可靠的; C.agreeable使人愉快的,惬意的,适合的;D.uncertain无常的,不确定的,不可预测的,靠不住的;因此C为答案。