单选题回答题：

The first colonists returned to England mainly because

A．they were attacked by the Indians．   
B．they didn’t have adequate supplies．   
C．they had no passion for their new home at all．
D．they didn’t receive enough financial aid．

A．frightened．   
B．discouraged．  
C．disheartened．
D．courageous．

A．Sagadahoc．   
B．Jamestown．   
C．Chesapeake Bay．
D．Island of Roanoke．