题目

已知f(x)是奇函数，g(x)是偶函数，且f(－1)＋g(1)＝2，f(1)＋g(－1)＝4，则g(1)等于( ) A.4                     B.3                 C.2              D.1 答案：B— Thank you for telling me about it.—________.A. With pleasure B. That's right C. Of course not D. Don't mention it