Answer:
Easy
Explanation:
A child can be classified into three categories on the basis of temperament.
Easy
Difficult
Slow to warm up
An easy child generally has a positive attitude to any situation. They do not get agitated easily and have a calm demeanor. They adapt to different situations easily.
A difficult child is slow to adapt to new situations and generally have negative feelings.
A slow to warm up child is in the middle of easy and difficult temperament child.
Hence, the statement here describes an easy child.