Mark the following statements as true or false. a. All members of a struct must be of different types. b. A function cannot return a value of type struct. c. A member of a struct can be another struct. d. The only allowable operations on a struct are assignment and member selection. e. An array can be a member of a struct. f. In C++, some aggregate operations are allowed on a struct. g. Because a struct has a finite number of components, relational operations are allowed on a struct.