E4E04

How can conducted noise from an automobile battery charging system be suppressed?

1. ABy installing filter capacitors in series with the alternator leads
2. BBy installing a noise suppression resistor and a blocking capacitor at the battery
3. CBy installing a high-pass filter in series with the radio's power lead and a low-pass filter in parallel with the antenna feed line
4. DBy installing ferrite chokes on the charging system leads

Pick an answer to check it.