After Samuel’s death, Tristan and Susannah fall in love and live a happy life. But why does Tristan choose to leave Susannah and drift alone one day?

A.Tristan is unable to get rid of the shadow of Samuel’s death.

B.Tristan finds that Alfred loves Susannah.

C.Tristan finds Susannah cannot forget Samuel and still in love with him.

D.Tristan is in mental disorder and he cannot control himself.

正确答案：Tristan is unable to get rid of the shadow of Samuel’s death.