单选题
The young man asked his parents not to worry because he was full of
optimism
about his career.
【正确答案】
A
【答案解析】[解析] 各项的意思是：confidence“自信，信心”；motivation“动机，动力”；imagination“想象，想象力”；resolution“决心，坚定”。划线单词optimism的意思是：乐观，乐观主义。句意是：那个年轻人告诉他的父母不要担心，因为他对事业充满信心。所以，答案是A。