55. The Youth Knowledge Network (YKN) is a smaller but
(A)   equally active    volunteer organization mainly
(B)    is composed    of college and high school students in Taiwan. It helps these young people learn and grow
(C)   by    serving in many volunteer projects. The YKN members have taught
(D)   the elderly    Net surfing and helped children in remote areas build up a connection
(E)   with    the outside world.