Which statement about Sparta is true?  
A.
Spartan scientists and philosophers greatly expanded the scope of human knowledge.
  
B.
Spartan playwrights gave the world some of its greatest comedies and tragedies.
  
C.
All Spartan men lived in military barracks until age 30 and were only allowed to visit their wives.
  
D.
Spartan women were famous for their decorative arts such as embroidery and jewelry-making.