When composition (one object having another object as a member) is used: ! Member objects are destructed last, in the order they are a O .declared in the host's class The host object is constructed first and then the member.bo .objects are placed into it Member objects are constructed first, in the order they are.co .declared in the host's class Member objects are constructed first, in the order they .do appear in the host constructor's initializer list What does the following statement declare?int *countPtr, *count : ! One pointer to an int and one int variable .a O The declaration is invalid.bo .Two pointer variables.co object of type int.do Which of the following statements will not produce a syntax error? 1 a ! Invoking a non-const member function on a const object .a O .Declaring an object to be const.bo Defining a const member function that modifies a data .CO .member of the object Declaring a constructor to be const.do ?what does the following print #include class CreateDestroy public: CreateDestroy() { cout