The artist Pierre-Auguste Renoir's last word was "flowers", spoken as a bouquet consisting of roses just picked from his garden were arranged in a vase on his bedroom windowsill.
A) as a bouquet consisting of roses just picked from his garden were arranged
B) as a bouquet of roses, just picked from his garden, were arranged
C) as a bouquet or roses just picked from his garden was being arranged
D) during the arrangement of a bouquet or roses, just picked from his garden
E) while they arranged a bouquet of roses that had just been picked, from his garden
OA: C
Source: GMATPrep
I cannot understand why the OA is C because [was being arranged] implies that it was the 'bouquet' that was being arranged in a vase
You cannot arranged a bouquet in vase, you arrange flowers i.e. the roses in a vase. This is why I picked B. Thanks