I would say A.lies dormant for an extended period of time
Answer:
slow-to-warm-up.
Explanation:
Baby Elizabeth has the temperament described as slow-to-warm-up. These babies have difficulties relating to others, are very shy and do not get used to new experiences. These babies tend to reject and ignore any new people or things, exhibit low moods, handle life cautiously, a little negatively, usually observe everything around them, and are not very active children. These babies end up being overrated and when this occurs they tend to move away.
They love each other by showing that they care for one another.
It is (B) it is strange but it does weaken the immune system