The LIN Bus Voltage Reads Normal with the Slave Module

Multiple Choice

The LIN bus voltage reads normal with the slave module disconnected, but then reads 0 volt when it is reconnected. What can be the cause?

A) The slave module has an internal short to ground.
B) The circuit between the master and slave modules is open.
C) The circuit between the master and the slave module is shorted to ground.
D) The master module is faulty.