The ornithologist interpreted the ravens’ behavior as indicating that they were looking for another bird’s food cache of which it did not know its exact location.

The ornithologist interpreted the ravens’ behavior as indicating that they were looking for another bird’s food cache of which it did not know its exact location.
A . of which it did not know its exact location
B . that they did not know exactly where it was
C . the exact location of which was unknown to them
D . and it did not know exactly where it was
E . which the exact location was unknown to them

View Answer

Answer: C