A、λ<sub>1</sub>〉λ<sub>2</sub>〉λ<sub>3</sub>
B、λ<sub>2</sub>〈λ<sub>3</sub>〈λ<sub>1</sub>
C、λ<sub>2</sub>〉λ<sub>3</sub>〉λ<sub>1</sub>
D、λ<sub>1</sub>〈λ<sub>2</sub>〈λ<sub>3</sub>