T9A07

What is a potential drawback of using a handheld VHF transceiver inside a vehicle that lacks an externally mounted antenna?

1. ASignal strength is reduced due to the shielding effect of the vehicle
2. BThe bandwidth of the antenna will decrease, increasing SWR
3. CThe SWR might decrease, decreasing the signal strength
4. DThe handheld will overheat due to reflected power in the vehicle

Pick an answer to check it.