Pre-reading Activities The main purpose of this listening passage A) to give information about a new scientific discovery B)to discuss political problems in the United States C) to argue for cloning D) to argue against cloningPre-reading Activities 1. The main purpose of this listening passage is _____. A) to give information about a new scientific discovery B) to discuss political problems in the United States C) to argue for cloning D) to argue against cloning 1. The main purpose of this listening passage is _____. A) to give information about a new scientific discovery B) to discuss political problems in the United States C) to argue for cloning D) to argue against cloning