单项选择题

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
What is the tendency of the settlement for the smoking issue

A.It will be settled in the laboratory.
B.It has been settled.
C.It will be settled in the courtroom.
D.It will be settled in both the courtroom and the laboratory.