13. (C)
Question Type: Unconditional
Since this question gives us no additional information, we need only consult our diagram. This question should be quick and easy. Which of the following MUST be TRUE?
(A) No! In frame 2, Graystone has no sycamores.
(B) No! In frame 1, Landing can have either M or S. The only trees it MUST have are O and T.
(C) Yes! Each frame assigns T to Landing.
(D) No! In frame 2, there are two parks with maples and only one with sycamores.
(E) No! In frame 3, both parks are planted with M and S.