In triangle xyz, m∠z > m∠x + m∠y. which must be true about △xyz?

m∠x + m∠z < 90°
m∠y > 90°
∠x and∠y are complementary
m∠x + m∠y < 90°

M∠Z > m∠X + m∠Y
m∠X + m∠Y + m∠Z = 180°
m∠X + m∠Y = 180°- m∠Z
m∠Z > 180° - m∠Z
2 m∠Z > 180°    /:2
m∠Z > 90°  ( A, B and C are not possible )

D ) m∠X + m∠Y < 90°