Concept:
Inactivated vaccines contain killed pathogens or inactive forms that cannot reproduce but can stimulate immunity.
Step 1: Plague vaccine.
Plague vaccine has been available in killed or inactivated form.
\[
A \text{ is correct}
\]
Step 2: Rabies vaccine.
Rabies vaccine is an inactivated vaccine.
\[
D \text{ is correct}
\]
Step 3: Rubella, measles, and mumps.
Rubella, measles, and mumps are commonly given as live attenuated vaccines in MMR vaccination.
In the given options, the set that contains plague and rabies with the available matching option is:
\[
A,\ B,\ D
\]
\[
\therefore \text{Correct Answer is (C)}
\]