Which of the following commands writes an image called from the current directory named raspbian.img to the SD card mounted at /dev/sdc?

Which of the following commands writes an image called from the current directory named raspbian.img to the SD card mounted at /dev/sdc?
A . dd if=raspbian.img of=/dev/sdc bs=1M
B . dd raspbian.img > /dev/sdc
C . imgwrite raspbian.img > /dev/sdc
D . imgw raspbian.img | cat /dev/sdc

Answer: A