Which of the following commands adds /usr/local/lib to the LD_LIBRARY_PATH when using Bash shell?

Which of the following commands adds /usr/local/lib to the LD_LIBRARY_PATH when using Bash shell?
A . set PATH=/usr/local/lib
B . LD_LIBRARY_PATH=/usr/local/lib
C . export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
D . connectpath LD_LIBRARY_PATH=/usr/local/lib

View Answer

Answer: C