Which of these is not a simple sentence?`

a.
April is Autism awareness month.
c.
Yesenia and Eduardo spent the whole month backpacking in Europe.
b.
The school bake sale was a great idea.
d.
We have only collected four donations, and we have one hundred more houses to visit.


Please select the best answer from the choices provided

A
B
C
D

1 answer

d.