The minor planet 1061 Paeonia was named after the plant genus that includes peonies. But most minor planets are given only an identification number, largely due to there being over 500,000 such bodies known at present. So while the task of finding a unique name for each minor planet was __________ when few had been discovered, so many minor planets have since been discovered that the task has become nearly impossible.
Desmos Graphing Calculator
Verbal·Craft and Structure·Words in Context
easyWhich choice completes the text with the most logical and precise word or phrase?
A
substantial
B
insurmountable
C
feasible
D
ambiguous