The students can solve this 700 level question in just a few seconds. Following the rules of Standard English they had during the High School
Prompted by recent discoveries, paleontologists have started what ? we need the complement object
A.
a research on the fossils of feathered dinosaurs, a study that, igniting the debate over when and why dinosaurs developed plumage, and that makes
B.
a research on the fossils of feathered dinosaurs,
a study that has ignited the debate over when and why dinosaurs developed plumage and that makes
C.
researching the fossils of feathered dinosaurs, a study igniting the debate over when and why dinosaurs developed plumage, and made
D.
a research on the fossils of feathered dinosaurs, the study has ignited the debate over when and why dinosaurs developed plumage, making
E.
researching the fossils of feathered dinosaurs, igniting the debate over when and why dinosaurs developed plumage, and the study makes
researching is wrong so in 2 seconds C and E are OFF
A. a study that,
igniting the debate over when and why dinosaurs developed plumage, and that makes
that...and that has no sense at all
B. a study that has ignited...........it is clean and straight
D. the study has ignited.....we need A study. with A we are sure we are talking about THAT SPECIFIC study
B is the answer