行内元素基准线问题

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>a</title>
<style>
    *{
        margin:0;
        padding:0;
    }
.a{
    border:2px solid red;
    /*font-size:0;*/
    /*letter-spacing:-0.2803em;*/
    
}
.b{
    display:inline-block;
   width:200px;
   height:200px;
   background-color:#FFB6C1;
    vertical-align:text-top;
}
.c{
    display:inline-block;
    width:300px;
    height:300px;
    background-color:pink;
}
.d{
  display:inline-block;
  width:200px;
  height:200px;
  background-color:pink;
  vertical-align:top;
 }
</style>
</head>
<body>
<div class="a">
    <div class="b"></div>
    <div class="c"></div>
    <div class="d"></div>行内元素基准线
</div>
</body>
</html>
HTML