Question

The young man _______in studying paid no attention to the outside world.

A．involved

B．involving

C．to be involved

D．being involved

Answer 1

D

考查非谓语动词。be involved in全神贯注于。在句中作定语，相当于定语从句，who is involved in，who is 省略。句意：专注于学习的那个年轻人没有注意到外面发生了什么。