⟩ Inline functions may not work ______. 1. If function contain static variables 2. If function contain global and register variables 3. If function returning value consists looping construct(i.e. for, while) 4. If inline functions are recursive 5. If function contains const value a. Only 1,4,5 b. Only 2,3,5 c. Only 1,3,4 d. All of these