Directions: Fill the blanks with most appropriate answer from the given options.

Her academic interests have always been in the ______________ of literature.

Domain means a field of study, sphere of knowledge, or area of expertise. When discussing academic interests, we say someone's interest lies in the 'domain of literature' - meaning the field or branch of literature. Dome is incorrect (architectural term), mains is not used this way academically, and province refers to a territory or administrative region, not an academic field.