I'm pretty sure that it is A. I really hope this helps. <3
Answer:
Maya astronomer-priests looked to the heavens for guidance. They used observatories, shadow-casting devices, and observations of the horizon to trace the complex motions of the sun, the stars and planets in order to observe, calculate and record this information in their chronicles, or "codices".
Explanation:
I think its A but I'm not sure
You could always bring it up with the main worker/boss of the company