Text-1 Read the text. Then choose the correct answer for questions 1-2

39. According to the passage, Denmark ...
A) has been experiencing the drawbacks of using wind farms for energy.
B) wants to reduce the demand for electricity when the wind are blowing hard.
C) pays a lot of money for electricity it does not use,
D) sells all of the energy it produces to other countries for profit.
40. What could be the best title for the passage?
A) Why Renewable Energy Is the Best Solution
B) The Inevitable High but of Producing Electricity
C) Problems Involved in the Use of Renewable energy
D) Comparisons of the Use of Wind Power in the US and Denmark