Fill in the blank with a suitable word : 

She is a good anchor and famous for her _________ communication skills. 

Correct option is A)

 Option A)effective is accurate because it means successful in generating a preferred or supposed end result and best suits the given sentence. The different options are incorrect as dominating, fixed, and worthless mean have energy and affect over, fixed securely in position, and having no actual fee or use respectively. The correct solution is A)effective.