求SAT OG P722 第31题解答.

求SAT OG P722 第31题解答.
Of the following,which is the best version of the underlined portion of sentence 5 below?
Whatever it is,it seemed that the creature has a burrow under our front porch.（P722.31）
(A) (as it is now)
(B) In spite of what it is,it seems that the creature has
(C) The creature,whatever it was,seemingly having
(D) It would seem,whatever it is,that it would have
(E) Whatever the creature is,it seems to have
正解是E,但是为什么不是A呢?A的选项不是更简洁.