问题详情

Hanssen apparently was mothballed by the Kremlin after the collapse of the Soviet Union in 1991 in part because ______.
A．his masters feared he might be exposed by a Security breach in the United States
B．they were getting information of more immediate value from their mote in the CIA, Aldrich Amos through various means
C．they can at least use Aldrich Ames, whose information is of more immediate value
D．both A and B