Multiple Choice
Worldwide, about _____% of children have ADHD. The disorder occurs about _____ times as often in boys as in girls.
A) 1 to 3; 2 to 3
B) 1 to 3; 4 to 5
C) 3 to 5; 2 to 3
D) 3 to 5; 4 to 5
Correct Answer:

Verified
Correct Answer:
Verified
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