Question

What is the best way to combine

the sentences below using a
participle phrase?
Sam wondered if the students
really understood the material. He
decided to investigate.
A. Sam decided to investigate whether or not the
students really understood the material.
B. Wondering if the students really understood
the material Sam decided to investigate.
C. Wondering if the students really understood
the material, Sam decided to investigate.
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Answer 1

C. Wondering if the students really understood the material, Sam decided to investigate.

Explanation:

This sentence correctly uses a comma to separate the participle phrase from the main clause, providing clarity and maintaining grammatical correctness.

Answer 2

C. Wondering if the students really understood the material, Sam decided to investigate.

Option C is the best way to combine the sentences using a participle phrase because it captures the cause-and-effect relationship between Sam's wondering and his decision to investigate in the best way.