Each sentence below has four underlined parts having words or phrases marked A,B,C And D. Identify one of the underlined parts that must be changed to make the sentence correct . The house owners forget that even "so simple a matter " "as cleaning and maintaining a lawn affects ecology and should not be neglected. "No error".
A
The house owners forget that even
B
so simple a matter
C
as cleaning and maintaining a lawn affects ecology and should not be neglected .
D
No error .
Correct Answer: No error .