Which of the Following Sets of Symptoms Best Characterizes Down

Which of the following sets of symptoms best characterizes Down syndrome?

A) Intellectual disability, a cry like that of a cat, and neuromuscular problems.
B) Intellectual disability, distinctive appearance, cheerful, sociable disposition, poor muscle tone, and language impairments.
C) Intellectual disability, distinctive appearance, attention-deficits, hyperactivity, and aggressiveness.
D) Listlessness in infancy, blindness, by first year, and death, by four.