Which Salesforce feature facilitates this?

The customer wants to seamlessly integrate their existing CRM system .

Which Salesforce feature facilitates this?
A . Data Import Wizard
B . Process Builder
C . Apex Code
D . Partner Integrations

Answer: D

Explanation:

Seamless integration of an existing CRM system with Salesforce can be best facilitated through Partner Integrations. Salesforce offers a variety of pre-built integrations through its AppExchange, which includes many solutions developed by partners specifically for integrating various CRM systems. This approach provides standardized, supported, and scalable integration options, making "D. Partner Integrations" the optimal choice for such requirements.

Reference: Salesforce AppExchange