Multiple Choice
Peng is worried about what might be upsetting his one-month-old son, who seems to have an angry expression on his face. You could help by telling him that a negative facial expression on a baby his son's age is far more likely to be expressing ____________, because babies can't express anger until they are ____________ old.
A) pain; two months
B) fear; two months
C) pain; six months
D) fear; six months
Correct Answer:

Verified
Correct Answer:
Verified
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