单选题
Bowls X and Y each contained exactly 2 jelly beans, each of which was either red or black, One of the jelly beans in bowl X was exchanged with one of the jelly beans in bowl Y. After the exchange, were both of the jelly beans in bowl X black? (1)Before the exchange, bowl X Contained 2 black jelly beans. (2)After the exchange, bowl Y contained 1 jelly bean of each color.