Most commonly recommended method of removing plaque from the interdental area:: (A) Dental floss., (B) Wooden tips, (C) Plastic tips., (D) Interdental brushes.
Answer is A. Dental floss is the most commonly recommended mothod of removing plaque from the interdental area.
Types of dental floss:

Twisted or non-twisted
Bonded or non-bonded
Waxed or unwaxed
Thick or thin