It was he was ill that he did not go to Mount Tai with us in our summer vocation.

A．the conclusion you have come to
B．your talk to the old people
C．whether age is happy or unpleasant
D．one’s money or one’s health

A．medical care for old people should be left to the doctors
B．old people enjoy a happy life only if they are rich
C．the opinion that we should try every possible means to save old people is doubtful
D．it is always morally right to treat old people and push off death