Final answer:
C. A Black & White Mocha is a Mocha with both white and dark chocolate.
Step-by-step explanation:
The subject of this question is Food and Beverage. The question is asking about the definition of a beverage called Black & White Mocha.
Based on the provided information, a Black & White Mocha is a C. Mocha with both white and dark chocolate. It is a combination of coffee and hot chocolate, made with both white and dark chocolate. Therefore, the correct answer is option C) Mocha with both white and dark chocolate.