Answer:
B. nvarchar
Step-by-step explanation:
When working with a field that will be taking a fixed-length-width text entry in different languages, including Russian, it is likely that you should use the nvarchar data type. The nvarchar data type is a variable-length, Unicode data type that can store text in different languages, including Russian. Unicode is a standardized encoding system that represents most of the world's written languages. It allows for the storage of multiple languages in a single field and is able to handle the different character sets and alphabets used in different languages.