Mark the letter A, B, C or D to indicate the word/phrases SIMILAR in meaning to the underlined word(s) in each of the following questions.
Question 22: People in Korea gave books to schools in Indonesia, and Indonesians taught Koreans a traditional dance. This exchange helped them learn about each other's culture.
A. giving and receiving things at the same time
B. trying many different things at the same time
C. the process of changing an amount of one currency
D. an arrangement for two people/parties to me