The more we looked at the picture,----C----.A.the less we li

The more we looked at the picture,____C____.A.the less we liked it C.the better we liked it
The more we looked at the picture,____C____.A.the less we liked it C.the better we liked it 为什么选C不选A?
1.To succeed in a scientific experiment,___A_______
A.one needs to be persistentB.Persistence is neededC.One needs to be a persistent personD.Persistence is what one needs
为什么选A不选其他几个?