What is the best way to combine the sentences below using a participle phrase?
Val diligently strove to do her best. She knew that perfection was necessary.
A. Val diligently strove to do her best knowing that perfection was necessary.
B. Knowing that perfection was necessary, Val diligently strove to do her best.
C. Val knew that perfection was necessary; she diligently strove to do her best.