单选题

"Firstparagraph"字体颜色是？&ltdiv&gt&lt...

Question

"First paragraph"字体颜色是？

<div>

   <p id="a">First paragraph</p>

   <p>Second paragraph</p>

</div>

<style>

p#a {

  color: green

}

div::first-line {

  color: blue

}

div {

  color: red

}

p {

  color: black

}

</style>

A. green

B. blue

C. red

D. black