In a CE transistor amplifier, the audio singal voltage across the collector resistance of $2k\Omega$ is 2V. If the v base resistance is $1 k\Omega$ and the current amplification of the transistor is 100, the input signal voltage is

Question

( A ) 1.0 V
( B ) 10 mV
( C ) 0.1 V
( D ) 1 mV