What import method should be recommended?

A customer has a CSV file of existing leads and contacts they want to import into Pardot as new prospects. Their Salesforce org contains duplicate leads and contacts with the same email address. They want to make sure the newly created prospects in Pardot are linked to specific lead and contact records in Salesforce. Their Pardot account allows multiple prospects with the same email address.

What import method should be recommended?
A . Match records by CRM ID
B. Match records by Account ID
C. Match records by fuzzy match rules
D. Q Match records by email address

Answer: A