By the time they reach adulthood, most people can perform many different activities involving motor skills. Motor skills involve such diverse tasks as riding a bicycle, threading a needle, and cooking a dinner. What all these activities have in common is their dependence on precision and timing of muscular movement. This paragraph best supports the statement that

Question: By the time they reach adulthood, most people can perform many different activities involving motor skills. Motor skills involve such diverse tasks as riding a bicycle, threading a needle, and cooking a dinner. What all these activities have in common is their dependence on precision and timing of muscular movement.
This paragraph best supports the statement that

[A].

most adults have not refined their motor skills.

[B].

all adults know how to ride a bicycle.

[C].

refined motor skills are specifically limited to adults.

[D].

children perform fewer fine motor activities in a day than adults do.

Answer: Option E

Explanation:

The second sentence states that threading a needle involves motor skill. The other choices are not in the paragraph.