单选题
I don't think it's sensible of you to ______ your greater knowledge in front of the chairwoman, for it may well offend her.
【正确答案】
B
【答案解析】[解析] B选项“show off炫耀，卖弄，使显眼”符合题意，如：She pouted to show off her new lipstick．她撅嘴炫耀她的新口红。本题是说我认为你在女主席面前卖弄你的知识多是不明智的，因为这会冒犯她。因此B选项为正确答案。