In paragraph 8, how does the phrase “spore-producing blight factory” help the reader understand the fungus?

A. It explains how the fungus originated.
B. It indicates how fast the fungus could spread.

C. It illustrates how the spores moved from tree to tree.

D. It gives a picture of how birds and insects spread the fungus.

a
A
b
B
c
C
d
D

B. It indicates how fast the fungus could spread.