Respuesta :
the answer you are looking for is choice C because it makes the most sense than any other choice
Answer:
The most effective way to invert sentence (6) in order to vary sentence patterns is Best of all are the days we go horseback riding.
Explanation:
The original sentence "The days we go horseback riding are the best of all." can have a pattern variation by switching its speech elements without changing its meaning, this would be with the sentence "Best of all are the days we go horseback riding" where superlative becomes the noun of the sentence.