求简便方法 谢谢

secretnancy

37. 5000-!-item-!-187;#058&004365
For every integer k from 1 to 10, inclusive, the kth term of a certain sequence is given by   .  If T is the sum of the first 10 terms in the sequence, then T is
(A) greater than 2
(B) between 1 and 2
(C) between 1/2 and 1
(D) between 1/4 and 1/2
(E) between 1/4