If your joke is funny you will not experience surprise if someone does what? Choose the most suitable option to answer the above question. Options：  A. scare  B. send flowers  C. laugh  D. cries  E. keep secret
C

Lara checked out the loose hub.   He she didn't tighten it, the what might come loose and then hundred of people would die? Choose the most suitable option to answer the above question. Options：  A. propeller  B. electric fan  C. datahub  D. car wheel  E. gasoline
A

Birds do what by laying eggs? Choose the most suitable option to answer the above question. Options：  A. air  B. pick berries  C. sky  D. breathe  E. reproduce

E