FOR every position even integer n,the function h(n) is defined to be the product of all even integers from 2 to n,inclusive. if p is the smallest prime factor of h(100)+1, then p is ? A between 2 and 10 B between 10and 20 C between 20 and 30 D between 30 and 40 E greater than 40 答案是E,求解答!多谢