for plato
Select the correct answer.

Read the excerpt.

(3) The coincident exclamations and their sequent apology were separated by a crash, followed by a pause, during which the two cyclists who had collided picked themselves out of the dust unhurt and looked quickly at their machines; finally turning to each other with a smiling bienveillance born of relief--for there was no denying that the affair might have been serious, and they were both conscious of sin.

What is the meaning of the phrase conscious of sin as used in the text excerpt?
A.
surprised how events unfolded
B.
embarrassed about a situation
C.
aware of some wrong-doing
D.
angered by circumstances