請問 PP T1 93 選項A的問題

[westen0331]

Both the complexity of the phenomenon known as extinction and the vastness of the biosphere, having prompted many scientists to call for a large increase in the number of biologists working both in the field and in laboratories to clarify the relationships among the plant's any endangered life-forms.

(A)and the vastness of the biosphere, having prompted many scientists to call for a large increase in the number of biologists working both
(B)and the vastness of the biosphere has prompted many scientists calling for a large increase in the number of biologists both working
(C)and the vastness of the biosphere have prompted many scientists to call for a large increase in the number of biologists working both
(D)as well as the vastness of the biosphere have prompted many scientists to call for a large increase in the number of biologists who both work
(E)as well as the vastness of the biosphere has prompted many scientists to call for a large increase in the number of biologists who work both

這題正解為(C)
這題不難, 但是我的疑問是選項(A)的, having prompted many scientists這邊,如果將之視為形容詞子句改成that have prompted是否是正確? 請高手分析A選項的錯誤點
謝謝

[Philosophia]

(A) no main verb at all
if you changed it to that clause, it would be "both A and B" and "that clause" in one sentence.

[westen0331]

喔喔 了解了解 謝謝~