非主流出处---的题，来自新东方讲义“小兰”，求大家帮忙

Since 1981, when the farm depression began, the number of acres overseen by professional farm-management companies have grown 48 million to nearly 59 million, an area that is about Cloaorado's size.

(A)have grown from 48 million to nearly 59 million, an area that is about Cloaorado's size

(B)have grown from 48 million to nearly 59 million, about the size of Cloaorado

(C)has grown from 48 million to nearly 59 million, an area about the size of Cloaorado

(D)has grown from 48 million up to nearly 59 million, an area about the size of Cloaorado's

(E)has grown from 48 million up to nearly 59 million, about Cloaorado's size

请问，我觉得应该是Has，可是答案用的Have，答案选B。