某人一到黄昏就看不清东西，应注意多吃下列一组食物 [ ]
A．豆类、糙米、全粒谷物
B．胡萝卜、黄玉米
C．肉、蛋、奶
D．新鲜的蔬菜、水果
答案：B
Jack wasn't allowed to go into the sports club ______ he left his membership card at home.
A．though
B．as
C．before
D．Until
以下哪种原因与此患无关
A．胆道蛔虫
B．胆管结石
C．胆管炎性狭窄
D．胆管囊肿
E．慢性胆囊炎
