What are two possible outcomes when "Send as Multipart MIME" is selected during the send process? Choose 2 answers

What are two possible outcomes when "Send as Multipart MIME" is selected during the send process? Choose 2 answers
A . Open and click activity are tracked in either version.
B . The email will avoid detection by various SPAM filters.
C . An auto-generated text version will be sent with your HTML email.
D . A custom text version will be sent with your HTML email.

Answer: A,C