Select the Answer That Corrects the Comma Splice or Run-On

Select the answer that corrects the comma splice or run-on sentence.
-I must be a genius I figured out how to register for classes with no complications.

A) I must be a genius, as a result, I figured out how to register for classes with no complications.
B) I must be a genius; as a result I figured out how to register for classes with no complications.
C) I must be a genius, as a result I figured out how to register for classes with no complications.
D) I must be a genius; as a result, I figured out how to register for classes with no complications.