GMAT Sentence Correction (SC) | Re: The Near Earth Asteroid Rendezvous (NEAR) spacecraft will

The Near Earth Asteroid Rendezvous (NEAR) spacecraft will orbit the asteroid Eros
for a year, slowly moving closer to the surface of theobject to make ever more precise
measurements that scientists hope will enable them to understand how the solar
system formed some four billion years ago.
A. to make ever more precise measurements that scientists hope will enable them
to
B. to make ever more and more precise measurements, which scientists are
hoping to enable them
C. for making ever more precise