The answer is C), playing a simple scale.
The sentence should be this: She demonstrates how to tune her instrument and she also played the simple scale.
A Gerund is a verb ending in -ing so I got A and C.
Make a 1 inch margin on the top, bottom and sides of a 8 1/2 x 11 inch paper. Use font Times New Roman in size 12. Be sure to indent each paragraph. Double space the entire paper as well as citing any research you may have used.
I hope this helps
I believe the correct answer is C) predicate nominative, because that follows a linking verb (in this case, ISN'T), and is the first noun after that following verb, which is 'Stallion'.