[单选题]Choose the closest paraphrased version after each of the following sentences or the italicized part. While travelling for various speaking engagements, I frequently stay overnight in the home of a family and am assigned to one of the children's bedrooms. A When I am invited to make speeches in different places… B When I have to travel to host wedding ceremonies... C When I go to different places to attend meting... D When I am speaking for tourism industry…