Read the paragraph about the brontosaurus. (1) For many years, scientists have not used the name "brontosaurus" to describe the longnecked, huge-bodied dinosaur that grazed

the Earth long ago. (2) Scientists had declassed this herbivore as a separate genus then made part of a larger group called
Apatosaurus. (3) Recently, however, paleontologists have discovered evidence that supports the claim that the brontosaurus deserves
its own classification. (4) It appears the label "brontosaurus" will once again be used in museums and books to describe the giant,
lumbering figure that children view as the most gentle of the dinosaurs.
Which revision of sentence 2 best clarifies its meaning?
Select one:
O a. Scientists had declassed this herbivore as a separate genus and included it as part of a larger group called Apatosaurus.
b. Scientists had declassed this herbivore as a separate genus and then created a larger group called Apatosaurus.
O c. Scientists had declassed this herbivore and instead of it being a separate genus made it part of a larger group called
Apatosaurus.
O d. Scientists, declassing the herbivore as a separate genus, and making it part of a larger group called Apatosaurus.