Which of the following lines creates a natural pause by using an em dash correctly?

"i—uh—am confused. weren’t we leaving at noon? " asked carla.
"let’s sit over—watch out! " yelled bianca as the frisbee passed over nawal’s head.
"my salad is filled with sand! " shrieked—lara.
"i don’t know what happened, suddenly— " —exclaimed ned.

the answer to this question is c.

the right ones are in bold.

daintly refers to the fact she was reaching for what she ate, not necessarily what she is like.

greatest charm as in she possessed (=had) the greatest charm.

pleasant (her demeanor)

speaking (of her sensibility)

dead refers to the hypothetical mouse.

bleeding refers to the hypothetical mouse.

the following what exactly?