Question

Is the answer A or C I think A​

Answer 1

Its A cause positive of ammeter and positive of battery should be joined and positive and negative of ammeter and voltmeter should be joined.

Answer 2

Yes it is A or else the negative terminal of the voltmeter would be joined to the battery giving obstruction to current

Also, it is also possible for the volt meter and the resistor to exchange places, then it would still work