It is a sunny day. Two children are talking   1 the question: Is the sun2  to us in the morning than it is in the afternoon? One boy says, "The sun is nearer to us in the morning. Because it is bigger in the morning than it is in the afternoon. "But the3    boy says, "The sun is nearer to us in the afternoon. Because we feel 4   in the afternoon than it is in the morning. Dear friends, do you know  5  is right?

①  {#blank#}1{#/blank#}     A. rainy

②  {#blank#}2{#/blank#}     B. cold

③  {#blank#}3{#/blank#}     C. hot