A． People tend to feel exhausted frequentl
B． People can't concentrate on things wel
C． People will be unable to store informatio
D． People will be unable to count number

A． The power of optimism and pessimism is fearfu
B． Optimists are less likely to fall ill than pessimist
C． Optimism is connected with blind fait
D． Pessimism makes people lose interest in anythin

A． one is born optimistic or pessimistic
B． pessimism is inherited
C． optimism is acquired when one is very young
D． pessimism is a long lasting habit