The workout i.e. best suited for reaching the goals should be option c. where three sets of 15 repetitions should be done.
For increasing muscular endurance. there should be a combination of the lower and the upper body exercise along with the strengthening exercise for targetting the whole body.
Also, if we do 3 sets of 15 repetitions four times a week so by this also increases the muscular endurance.
Hence, option c is correct.
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