If a class X has a destructor which performs a non-trivial task (e.g., free store deallocation, freeing file handles and locks, etc.), then ____. Select one: a. the class is not likely to need constructor definitions. b. the class is likely to not need definitions for default, copy, and move constructors and copy and move assignment operators. c. the class is not likely to need constructor and assignment operator definitions. d. the class is likely to need definitions for default, copy, and move constructors and copy and move assignment operators.

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