In the circuit shown below, the key is pressed at time t=0. Which of the following statement(s) is(are) true?

A

The voltmeter displays —5 V as soon as the key is pressed, and displays +5 V after a long time

B

The voltmeter will display 0 V at time c = ln 2 seconds

C

The current in the ammeter becomes $$\frac{1}{e}$$ of the initial value after 1 second

D

The current in the ammeter becomes zero after a long time