quEstions 29 to 31 ArE BAsED on thE pAssAgE you hAvE just hEArD、 A．BECAusE hE wAs oF ill hEAlth.
B、BECAusE hE wAs in A BAD mooD、
C．BECAusE his wiFE ABAnDonED him.
D．BECAusE his immunE systEm wAs not strong Enough.