Exercise 1: Choose the best that can completes the following.

_______, consisting of swimmers performing a synchronized routine of elaborate and dramatic moves in the water, accompanied by music.

• A. 
  Synchronized swimming is a hybrid of swimming, gymnastics, and dance
• B. 
  Synchronized swimming which a water sport, a hybrid of swimming, gymnastics, and dance
• C. 
  Synchronized swimming, a hybrid of swimming, gymnastics, and dance
• D. 
  Synchronized swimming, it is a hybrid of swimming, gymnastics, and dance.