Given rhombus QRST below, which of the following conjectures, concerning the diagonals of a rhombus, is most likely true?
A.
The diagonals of a rhombus are congruent.
B.
The diagonals of a rhombus do not bisect each other.
C.
The diagonals of a rhombus are perpendicular.
D.
The diagonals of a rhombus intersect at 45° angles.