单选题 Don' t ______ about lunch for the instructors, because they promised to get some on the way.
【正确答案】 A
【答案解析】解析：句意：不要担心老师们的午饭，因：勾他们答应了在路上吃。bother about…为…操心，烦恼。fuss作“烦恼，操心”讲时常和with和over连用。trouble使烦恼，使忧虑，作及物动词。