What should the consultant do to ensure the data load Is successful?

A nonprofit is loading 5 million donation history records into Salesforce from a payment processing system.

What should the consultant do to ensure the data load Is successful?
A . Create an Apex Test Class.
B . Temporarily disable TDTM Trigger Handlers.
C . Disable Data Validation Rules.
D . Deploy a Custom Apex Class with TDTM.

Answer: B