I had told them the reason , for which I didn't attend the m

I had told him the reason,__I didn`t attend the class.A for -he didn't attend the meeting for ( ) reason The reason why he didn’t attend the meeting is that he was i He didn't attend the meeting for ___ reason. A.a certain B.d I didn’t buy the car yesterday for the simple reason ____it I took them _____ because I didn't know which was the best. I had to buy __of the books because I didn't know which one the reason why i didn't go to meet I didn't go there for the outing with them because i was ill I told him the __ reason that I thought he had a right to kn i am told that you didn't do the work Do you know the reason why/for which he didn't come?这句话的意思?