A surface that doesn't have a slope would be what? Choose the most suitable option to answer the above question. Options：  A. flat ground  B. downhill  C. straight  D. slanted  E. slopewash
C

Babies don't make the same noise adults make when applauding, but they still do what when excited? Choose the most suitable option to answer the above question. Options：  A. sleep soundly  B. trust parents  C. clap hands  D. jump around  E. like spinach
C

She was taken aback by his real personality, what were other past boyfriends like to her? Choose the most suitable option to answer the above question. Options：  A. a figment of her imagination  B. fictitious  C. artificial  D. fiction  E. imaginary
C