saithoca
Doçent
Marine researchers at Michigan State University ---- that the first-ever, two-headed bull shark ---- is a single shark with two heads, rather than conjoined twins.
A) confirmed / having discovered
B) had confirmed / to be discovered
C) have confirmed / to have been discovered
D) were confirmed / being discovered
E) confirm / to have discovered
A) confirmed / having discovered
B) had confirmed / to be discovered
C) have confirmed / to have been discovered
D) were confirmed / being discovered
E) confirm / to have discovered