[阅读选择]Many years passed and the young man was very successful in business. He had a beautiful home and wonderful family， but realized his father was very old， and thought perhaps he should go to him. He had not seen him since that graduation day. Before he could make arrangements to see his father， he received a telegram telling him his father had passed away， and willed all of his possessions to his son. He needed to come home immediately and take care things. When he arrived at his father‘s house， sudden sadness and regret filled his heart.
When the young man arrived home， he felt _________.
[阅读选择]People suspected that “Lucky”， as he was called by friends， wanted to kill his wife he no longer lived with. They say that Lucan entered his old house and in the dark， killed the nanny by mistake. His estranged wife heard noises， came downstairs and was also attacked， but managed to escape. Seven months after the murder， a jury concluded that Lucan had killed the nanny.
It is thought that Lucan killed the nanny because______.
A、she was looking after the children
B、she was a friend of Lucan‘s
C、it was dark and he thought she was Lady Lucan
D、Loard Lucan thought the nanny stole his car
答案解析：答案选C。因果关系题。对照本段People suspected that“Lucky”，as he was called by friends, wanted to kill his wife he no longer lived with. They say that Lucan entered his old house and in the dark，killed the nanny by mistake.本来是要杀他的妻子，可是因为天太黑，所以错杀了保姆。答案选C。