prep ds1-7 不会解，进来看一下吧，还有四天就考了。

foxlian

    

先谢过。

7.    905-!-item-!-187;#058&000575

    

For every positive
even integer n, the function h(n) is defined to be the product of all the 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 10 and
20

    

(C) between 20 and
30

    

(D) between 30 and
40

    

(E) greater than 40

foxlian

已经想通了，sigh

cissy0716

请求楼主讲解一下，我也是不懂这题………………