一道语法题

yvonnelau

9. Automatons programmed to perform a given task ----the flexibility and adaptability of human beings.
(A) without
(B) lack
(C) minus
(D) not having

答案是B，我觉得是A

选b的话不就是两个谓语了吗？另外A为什么错呢？

yvonnelau

汗~

谢谢，刚才一下子闷掉了