
Passage: Unlike traditional coal, gas and atomic energy, solar energy does not produce pollution, does not need to be transported, has no risk of radiation, and is not subject to power companies. Therefore, people should be encouraged to use solar energy.
Question: If which of the following statements is true, it will most strongly weaken the above argument?
A. A.Few people have studied how solar energy can be used in homes
B. B.The cost of solar energy equipment to meet the needs of a family of four is equal to the cost of traditional energy needed by the family for a year
C. C.An effective way to collect and preserve solar energy for a long time has not been found
D. D.Opponents of the use of solar energy believe that doing so will lead to an energy monopoly
Answer: