CTET Class I to V 2016 Feb Paper

Renu’s grandmother shows her a dried-up well and tells her that 15-20 years ago there was water in the well, but now it’ has completely dried up. What could be the reason(s) for drying up of water in the well?
A. The soil around the trees, well and nearby area is now covered with cement.
B A lot of boring pumps have come up in the nearby area.
C Nobody uses the well as there are taps in everybody’s house now.