Which of the following statements about nepal is true? a. the country's official policy emphasizes "gross national happiness." b. it became a democracy in the 1980s. c. maoist guerillas cause major disruptions in urban areas. d. it's a muslim country that has fostered good relations with the british. 

Option B

Option A isn't correct because the country whose official policy emphasizes "gross national happiness" is Bhutan.

Option C isn't correct because during the Nepalese Civil War, the Maoists mainly dominated the rural areas; it was the government that mainly controlled the urban areas.

Option D isn't correct because the constitution of Nepal declares the country as a secular country, although their has been widespread protests for it to be declared a Hindu state. Muslim population is a minority in Nepal.

Option B is correct because parliamentary system was introduced to Nepal by its 1980 constitutional amendment.