大全765 主谓找不到

1.        The herbicide Oryzalin was still being produced in 1979, three years after the wives of workers producing the chemical in Rensselaer, New York, were found to have borne children with heart defects or miscarriages, and none of their pregnancies was normal.

(A) to have borne children with heart defects or miscarriages, and none of their pregnancies was

(B) to have had children born with heart defects or miscarriages, and none of the pregnancies was

(C) either to have had children with heart defects or miscarriages, without any of their pregnancies being

(D) either to have had miscarriages or to have borne children with heart defects; none of the pregnancies was（D）

(E) either to have had miscarriages or children born with heart defects, without any of their pregnancies being

此句D答案的前半句的主谓语是什么？