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Which of the following sentences is correct?

A. The exercise program was effective, exciting and challenging.
B. The exercise program was effective, exciting and a challenge.
C. The exercise program had a great effect, was exciting and challenging.
D. The exercise program had a great effect, was exciting and a challenge.

Respuesta :

Answer:

A. The exercise program was effective, exciting, and challenging.

Explanation:

This problem is asking you to look for parallelism - the use of successive verbal constructions in poetry or prose which correspond in grammatical structure, sound, meter, meaning, etc. Choice A demonstrates parallelism properly, while the other answer choices contain phrases which do not align in grammatical structure.