Which of the following is a false statement about Solar Reflector Concentrators?

A They are suitable for large scale installations and plants
B They are more efficient that solar cells
C They can operate in any lighting conditions at a high level of efficiency
D The set up costs are relatively low compared with other current renewable technologies
Which of the following is a false statement about Solar Reflector Concentrators?
A They are suitable for large scale installations and plants
B They are more efficient that solar cells
C They can operate in any lighting conditions at a high level of efficiency
D The set up costs are relatively low compared with other current renewable technologies

can you explain why?