问题
选择题
Heating the news that my father was ill，I was so worried that I couldn’t on anything．
A．count
B．consider
C．contain
D．concentrate
答案
答案：D
考查动词辨析：A．count数数，B．consider考虑，C．contain包含，D．concentrate 专注于，句意是：听到我父亲生病的消息，我很担心以至于不能专注任何事。选D。