Correct answer B. The living were afraid to think about the dead.
Explanation:
B is the only correct answer as people in Middle Ages were uneducated, thus being afraid of everything they don't know. Death was a taboo theme, as they were afraid that even talking about it would bring them bad omen.
A is not correct as death was surrounding people everywhere. Life expectance in the middle ages wasn't high.
C is not correct as this statement has no sense at all.
D is not correct as it is also statement that is totally inaccurate and unprobeable.
