Choose the best an...

Câu hỏi: Choose the best answer amongA, B, C, D to complete each sentence below:
On attaining maximum size,_________by drawing itself out and dividing into two daughter amoebas,each receiving identical nuclear materials.

A. the reproduction of the amoeba

B. the amoeba, which reproduces

C. reproducing the amoeba

D. the amoeba reproduces