The correct answer is C. echo=FALSE.
The echo
parameter controls whether or not the code is echoed to the console. When echo=TRUE
, the code is echoed to the console. When echo=FALSE
, the code is not echoed to the console.
The print
parameter controls whether or not the output of the code is printed to the console. When print=TRUE
, the output of the code is printed to the console. When print=FALSE
, the output of the code is not printed to the console.
Therefore, if you want to not echo the code, you need to set echo=FALSE
.