Select the correct answer.
Read the excerpt from paragraph 3.

[3] WorldWind: The sheer volume of data captured by NASA's many satellites can make it unwieldy for everyday use. WorldWind visualizes NASA data using a video game-like virtual globe of Earth, allowing users to zoom from satellite altitude down to any point on the planet's surface. This software helps decision-makers worldwide manage scarce resources. It supports the Coast Guard by generating a map from live feeds of satellite and maritime data. And it helps researchers understand climate impacts on freshwater resources.

What is the meaning of unwieldy as it is used in this excerpt?

A.
uncoordinated
B.
unmanageable
C.
fathomless
D.
immeasurable