What is the BEST revision of this sentence?
Wetlands used to be thought of as horrible places and now people realize wetlands are homes for animals like birds and wetlands are important for the environment.
Wetlands used to be thought of as horrible places. Now people realize wetlands are homes for birds. Wetlands are important for the environment.
Wetlands used to be thought of as horrible places. Now people realize wetlands are important for animals like birds and wetlands are important for the environment.
People used to think wetlands were horrible places and now people realize wetlands are homes for animals like birds and wetlands are important for the environment.
People used to think wetlands were horrible places. But today, people realize wetlands are homes for birds and an important part of the environment.
please help and please say A, B, C, OR D