各位大虾请教一道英语数学题SAT if n is a two-digit number whose units digi

各位大虾请教一道英语数学题SAT if n is a two-digit number whose units digit is 4 times its tensif n is a two-digit number whose units digit is 4 times its tens digit,which of the following statements must be true?A.n is a multiple of 4B.n is a multiple of 7C.10D.n is greater than 40E.20SAT 学霸更好了.是2011年1月真题SECTION8 的第10题.