By using thE ExAmplE oF gAlilEo, thE Author intEnDs to rEvEAl thAt ______.
A．oBjECtivity is EssEntiAl to sCiEntiFiC rEsEArCh
B．hypothEsis is BAsED on CArEFul oBsErvAtion
C．CrEAtivEnEss plAys An importAnt pArt in sCiEntiFiC rEsEArCh
D．oBsErvAtion is thE only FACtor DEtErmining sCiEntiFiC rEsEArCh