While digging in the Egyptian desert, huge fossil bones have been found by paleontologists, which appears to have been the second most massive dinosaur that ever lived.
D) paleontologists have found huge fossil bones from what appears to be
别的显然都不对. 但D的表达是说Dinosaur appears to be from fossil bones. 而其实应该Fossil bones appear to be from dinosaur才合理. 请教这句话的理解.