Read the following context and choose the best option to answer the question.
Context: Her bare feet curled and stretched pleasantly against the cool floor as she measured , sifted , stirred . She was sixteen weeks pregnant and brimful of a delicious , private joy . Her body felt lush and promissory as the dark soil of a river delta . That he would knock on her door now seemed to make an odd sort of sense .
Question: Why is the narrator staring at the woman ?
Options: 
A. They are marveling at the way she is curled up .
B. They are marveling at her feet injury .
C. They are marveling at her pregnancy .
D. They are marveling at her being only sixteen .


C