Fourteen Year Old Palmiro Had a Nosebleed at School Which

Fourteen year old Palmiro had a nosebleed at school which bled all over his shirt. When Palmiro walked in the door and his mother saw him, she had a look of fear on her face. Palmiro instantly interpreted her reaction as:

A) anger, presumably because his shirt was ruined.
B) fear, because she was concerned about his welfare.
C) surprise, because she had just washed that shirt that morning.
D) amusement, as she must have realized he was not injured.