The following is the correct interpretation of the weather in comics.

According to the content of the textbook, frustration is a double-edged sword, which can not only promote people to mature, but also become an obstacle to people's growth; The key to facing setbacks lies in attitude. Only when we are truly psychologically not afraid of setbacks can we deal with setbacks with a positive attitude and effective methods, which will make us more depressed and more determined. It is necessary to cultivate the excellent quality of overcoming difficulties and pioneering, and face setbacks correctly. The cartoon "How can I see the rainbow without experiencing wind and rain" tells us that life is not smooth and we need to experience appropriate setbacks to improve our ability to withstand the pressure of setbacks. For us teenagers, proper setbacks are helpful to avoid. ① ④ Conform to the meaning of the question; I didn't understand the main idea of the cartoon; 3 The statement is absolute; So choose B.