单项选择题无论是在办公场所还外出公共场所，服饰在款式、色调、质地上，尽量与客人和在场领导协调一致，切记过分得突出自我。
单项选择题Is this the book ______? A、for which you are looking B、for that you are looking C、for whom you are looking D、for it you are looking
