Given that the word Thing represents a Java class, how many reference avriables and how many objects are there in the following sets of statements?

Object obj = new Object();

Thing item, stuff; item = new Thing();

Select one:

a. 2 reference variables and 2 objects

b. 3 reference variables and 3 objects

c. 3 reference variables and 2 objects

d. 2 reference variables and 3 objects