What is the surface area of the regular pyramid below?
A. 960 sq. units
B. 1536 sq. units
C. 1664 sq. units
D. 768 sq. units
![What is the surface area of the regular pyramid below A 960 sq units B 1536 sq units C 1664 sq units D 768 sq units class=](https://us-static.z-dn.net/files/db6/8dfbae9aa3c0e6f879ebe2bba738915e.png)