After the captain advises to prepare the cabin, where do you need to go to get info from the "A" flight attendant?

The correct choice is to go to the forward galley to obtain information from the "A" flight attendant. The forward galley is typically where the lead or "A" flight attendant is stationed during boarding and other critical phases of the flight, such as preparing the cabin. This area serves as the main point for communication and coordination among the flight crew, ensuring that everyone is on the same page regarding safety procedures, passenger needs, and any other necessary updates.

The flight deck, while important for pilots to conduct their duties, would not be the appropriate location to gather cabin-specific information, as the flight deck personnel focus on operating the aircraft and ensuring its safety. The rear galley, although it assists in serving passengers and maintaining supplies, is generally managed by the "B" or "C" flight attendants, making it less likely to be where the "A" attendant would be found for critical communications. The lavatory area is specifically designated for restroom access and would not be a location for gathering operational information. Therefore, going to the forward galley is the most logical and efficient choice for ensuring proper communication with the "A" flight attendant.