Simple...
Natalia conoce a mis hermanas.
Thus, your answer.
Ayer hubo un accidente de dos carros que hivan pasando y uno de los carros dio vueltas
Y ella es Patricia Lopez, mi mejor amiga. The question in English means And blank is Patricia Lopez, my best friend and now answered, it is ''And She is Patricia Lopez, my best friend, so answer is C) ella which in English means she and that makes the sentence true.
