—Is your sister sleeping?

—No, she ______ a letter to her pen pal in her room.  [ ]

A. is writing     

B. writes   

C. can read    

D. reads

________it seems to make sense, but if you think about it, the rule misses the point.[ ]

A. At first glance  

B. At the first glance

C. In first glance  

D. In the first glance