问题：

[单选,材料题]

回答下面的题目：
Do you ever wish you were moreoptimistic，someone who always(51) __________ to be successful?
Having someone around whoalways(52) __________the worst isn’t really a lot of(53) __________．We all know someone who sees a single cloud on asunny day and says，“It looks(54)rain．”
But if you catch yourself thinkingsuch things，it’s important to dosomething(5 5) __________it．
You can change your view of life，(56) __________to psychologists．It only takes a little effort，and you’llfind life more rewarding as a(57) __________．Optimism，they say，is partly about self—respectedconfidence but it’s also a more positive way of looking at life and all it hasto(58) __________．Optimists are more(59) __________tostart new projects and are generally more prepared to take risks．
Upbringing is obviously veryimportant in forming your(60) __________to the world．Some people are brought up to(61) __________toomuch on others and grow up forever blaming other people when anything(62) __________wrong．Most optimists，on the(63) __________hand，have been brought up not to(64) __________failure as the end of theworld-they just(65) __________
with their lives．

A . possible
B . 1ikely
C . hopeful
D . welcome