Write the next sentence in the following story.

How to get your pilates instructor certification
Pilates instructor certification has started soaring in popularity in fitness world and the demand for qualified instructors is still growing.
To become pilates instructor does not take a day or two. It is an ongoing process that requires time and determination.

Available options:
A). So, before you qualify for a pilates instructor certification, spend some time going to fitness gyms every couple of months. Pilates manuals will give you advice on how to complete your workout and get certified..
B). When possible, pilates instructor certification is obtained through over 2 , 759 hours of personal time. The application process is fairly straightforward and takes 1 to 4 months to complete..
C). You must be committed enough to get your pilates instructor certification. To become pilates instructor it is not enough to merely be able to perform all the pilates poses..
D). Pilates instructors must have mental, physical, and spiritual encouragement. If you are trying to gain pilates certification as a child, it is appropriate to seek out it for a lifelong purpose... The answer should be
C).