prep的一道语法题 主语单复数问题

Warrengxt

The particular design of muscles and bones in the neck and limbs of the turtle allow that it can draw in its exposed parts such that an attacker can find nothing but hard shell to bite.



(A) allow that it can draw in its exposed parts such that

(B) allow it to draw in its exposed parts, and so

(C) allows for it to draw in its exposed parts and that

(D) allows that it can draw in its exposed parts, and so

(E) allows it to draw in its exposed parts, so that
蓝色为我的答案，红色为正确答案

pygmysog

The particular design（主语，单数，排除AB） of muscles and bones in the neck and limbs of the turtle allow that it can draw in its exposed parts such that an attacker can find nothing but hard shell to bite.



(A) allow that it can draw in its exposed parts such that

(B) allow it to draw in its exposed parts, and so

(C) allows for it to draw in its exposed parts and that [allow sb to do sth., idiom]

(D) allows that it can draw in its exposed parts, and so  [allow 不能跟that, 参考manhattan SC]

(E) allows it to draw in its exposed parts, so that

Warrengxt

thanks a lot!