单选题Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.AThe cranes may be operated independentlyBThe cranes may be interconnected for twin operationCWhen twinned，the crane rotation on the foundation assembly is unlimitedDAll of the above
单选题
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.
A
The cranes may be operated independently
B
The cranes may be interconnected for twin operation
C
When twinned，the crane rotation on the foundation assembly is unlimited
D
All of the above
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