Given the following valid variable declarations and assignments, which is a valid assignment?

int a=2, b=3, c=4;

int dp:

dp = &a;

dp = b;

c= dp:

c=&dp;

None of the above are valid assignments.

Along with the class and declaration above, what is true about the following code? Qq d[68]:

Only 1 instance of Qq is instantiated

The following code WILL compile. d[ d[23].num 1.num-27

Only 67 instances will be created.

The code will NOT compile,

None of the above is true.