Answer:
It's A. The suffering and the emotional cost of the Holocaust must be remembered.
This is an example of an idiom.
An idiom that has a different meaning than what it sounds like.
It doesn’t actually mean that the steak is high. “The steaks were too high” simply means that it’s too dangerous/risky.
Hope this helps!
The answer is "A" because this one best fits this answer to this question