Which is an example of Direct Characterization?

a
"He was thinking it was a bad idea, but there was no way he could tell his best friend."
b
John snapped at the man without warning
c
Old man Humphrey never liked children, even when he himself was a child
d
"Ha Ha," Molly is afraid of a little spider, Billy laughed.

c

Old man Humphrey never liked children, even when he himself was a child