Which of the following statements is true?--
- (a) Inflation causes the Universe to expand faster than the speed of light,
- (b) Objects receding faster than light are invisible,
- (c) Redshift is due to the expansion of space \& not a Doppler shift,
- (d) CMB data show the Universe is flat,
- (e) High redshift supernova data rule out evolving supernovae,
- (f) None of the above.