C.
Strict Overhead Press
* Set 1 – 5 reps @ 50%
* Set 2 – 5 reps @ 60%
* Set 3 – 5 reps @ 70%
* Set 4 – 3 reps @ 85-90%
* Set 5 – 3 reps @ 85-90%
* Set 6 – 3 reps @ 85-90%
* Set 7 – 10 reps @ 70-75%
Rest 2 minutes between sets.

Choose the same load for all three sets of 3 reps. The load used should be challenging to successfully press for three, but if you have more than one failed rep it is too heavy.