PRER 30？？？

Five fledgling sea eagles left their nests in western Scotland this summer, bringing to 34 the number of wild birds successfully raised since transplants from Norway began in 1975.

(A) bringing

(B) and brings

(C) and it brings

(D) and it brought

(E) and brought

 请指教！

A

B brings不对

C both it and brings are wrong

D it is wrong

E the comma before and is not necessary