a) References stores the address of variables
b) References and variables both have the same address
c) References use dereferencing operator(*) to access the value of variable its referencing
d) References were also available in C

Answer: b
Explanation: References and variable it is referring to shares the same address. References do not consume extra address. References do not store the address of other variables. No dereferencing operator required while using references. References are not available in C++.