OA says C...( might be wrong)
Its funny saravalli, it is OA or not OA
The Near Earth Asteroid Rendezvous (NEAR) spacecraft will orbit the asteroid Eros
for a year, slowly moving closer to the surface of the object 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
I dont like A because "scientists hope" is no function here. So Get it out of the sentence, I dont see what "them" refer to!