问题
There is no doubt ______ international cooperation is key to ______ with cybercrime, as Vinton Cerf has said that the problem of cybercrime is _______ huge that it requires UN to form a special agency to act as an international referee or steward.
A:whether ; doing ; so
B:that ; dealing ; so
C:whether ; dealing ; such
D:that ; doing ; such
B:that ; dealing ; so
C:whether ; dealing ; such
D:that ; doing ; such
正确答案是：
