sumanainampudi wrote:
I also felt We need restrictive clause "that" in option D. ?
Hellosumanainampudi ,
I will be glad to help you with this one.
Use of the phrasecaused by is correct in this sentence because this phrase has been used to present the reason for a noun -the downs .
The phrasebecause of is used to present the reason for an action.
Essentially, the structure the downs
...






