Question no 1021 : Maintenance Task list operations

In SAP PM, which of the following statement is not true about component assignment to a maintenance operations in a maintenance task list ?

(more then one operations)

A)      When manually entering a component to an operation, you can enter the item category "L" for Stock material or "N" for non-stock.
B)       The same component several times to one operation.
C)       A component entered in an operation cannot be repeated its assignment again in another operation.
D)       Only item category "L" is allowed for manual entry of component to an operation.
E)        A non-stock material can be selected from the structure list into the component screen of an operation.
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