请选择DCBA-t.x2H*b5Q7I3u)[7|'R It is not easy _______ fish using only your hands.0t)`/~'O8Q/[1d,Z.o
A. catch0t)`/~'O8Q/[1d,Z.o
B. to catch0t)`/~'O8Q/[1d,Z.o
C. to catching0t)`/~'O8Q/[1d,Z.o
D. caught0t)`/~'O8Q/[1d,Z.o