23. A man who doesn't like to talk about himself or to make his feelings known to others is called a ________ man.
A. reserved B. conservative C. tolerant D. preserved

<reserved>
reserved 内向的，矜持的，寡言的
introverted 内向的
extroverted 外向的
</reserved>

<conservative>
conservative 保守的
</conservative>

<tolerant>
tolerant 忍受的，容忍的
</tolerant>

<preserve>
preserve 保存以备后用，保藏
conserve 保护，保存
</preserve>