单项选择题 The sales manager of the company suggested more money is to spent in a more effective advertising campaign and better packaging design.（）

单项选择题 In spite of ill health and a physical disability that threatened her career. Carson McCullers completed a novel in the summer of 1961 that made the best-seller list.（）

单项选择题 The hands on this clock are lubricate so that it can be seen in the dark.（）