Which Outcome Suggests That Participants Process Meaning During the Shadowing

Which outcome suggests that participants process meaning during the shadowing task?

A) Participants' shadowing slows down when the sentence they are repeating combines meaningful words in nonsensical ways.
B) Participants say that they are processing the meaning as they shadow what they hear.
C) Researchers ask the participants to report the gist of each sentence.
D) Shadowing is the process of understanding.