I believe the answer is: A. . “blue as blood on his left forearm”
“spilling his protection, like acid”
Describes the feeling when his father hug him because his father felt so helpless in the sitution
“I am drowning in his silence”
Describes the situation where his father could even fathom to explain the situation that they're in to children
“Questions choke me”
Describes the tension that Shapiro felt when he tried to find out where did the other jews gone to.