Which of the following can best describe the author's purpose of writing. A: To tell us a story about Tommy and Margie. B: To display the availability of the online course. C: To predict how children under the future educational system would feel. D: To describe the stupidity of the present educational system.

The following is a quotation from The Silent Language:Difficulties in intercultural communication are seldom seen for what they are. When it becomes apparent to people of different countries that they are not understanding one another, each tends to blame it on “those foreigners,” on their stupidity, deceit, or craziness.Please elaborate on the obstacle that hinders effective intercultural communication in the above situation.