his ability to work out math problem is ----doubt because he is so knowledgeable and intelligent A opposost B inside C.a
问题描述：
his ability to work out math problem is ----doubt because he is so knowledgeable and intelligent A opposost B inside C.among D Beyond
答
D.beyond
beyond doubt 毫无疑问,毋庸置疑他解决这数学问题的能力毋庸置疑，因为他如此博学睿智。