43. What is the best meaning of “   taboo   ” in the line 9?
(A) It’s an action or a word. People want to do or say it the most.
(B) It’s an action or a word. People cannot do or say it.
(C) It’s a period of time. People usually celebrate during the time.
(D) It’s a period of time. People can’t get married during the time.