Select the sentence which gives a summary of the passage.
The average child is exceedingly curious. He investigates everything within reach; from electric plugs to piles of earth. His favorite word is "why". The adult finds this period exhausting but he should not try to check the activities, unless they are dangerous, as the child is establishing the habit of learning.
A) Curiosity in children should be encouraged as it creates a learning habit.
B) Children are often extremely curious but this is an unimportant stage and ends soon.
C) Curiosity in children should not be encouraged as it is responsible for very many accidents.
D) His curiosity leads a child to investigate a lot of unimportant things.
E) Children who lack curiosity will not grow up any different from those who are extremely curious.
