23.
Your Answer is
Correct Answer is B
Explanation
The subject of this sentence is many, the verb is have learned, by introduces the prepositional object, and cannot be separated from the predicate verb by a single comma. B is correct.
23.
Your Answer is
Correct Answer is B
Explanation
The subject of this sentence is many, the verb is have learned, by introduces the prepositional object, and cannot be separated from the predicate verb by a single comma. B is correct.