Which two components are appropriate for this solution?

A restaurant supply company captures email subscribers and leads through trade shows. They hold a giveaway at each trade show to entice booth visitors to leave their contact information. In the past, they have used a fishbowl to capture business cards, but need to update this to an online sweepstakes entry vehicle displayed on a mounted tablet.

Individuals should only be allowed to enter once, and the winner will be selected randomly.

All entrants receive a follow-up email after the trade show asking them to confirm their opt-in for a monthly newsletter.

Which two components are appropriate for this solution? Choose 2 answers
A . Microsite with Web Collect to store entrants on a data extension.
B . Microsite with Smart Capture to store entrants on a data extension.
C . Send Email Activity with a link to a subscription center.
D . Data Extension with double opt-in status defined.

Answer: B,D