Why is Alaska called the Land of Midnight Sun? 

Câu hỏi: Why is Alaska called the Land of Midnight Sun? 

A. because in spring, the sun does not set for nearly three months. 

B. because in summer, the sun does not set for nearly three months. 

C. because in fall, the sun does not set for nearly three months. 

D. because in winter, the sun does not set for nearly three months.