A. She's <b>a bit </b>scared.<br/>B. She's <b>a little</b> scared.<br/>C. She's <b>a little bit</b> scared.<br/><br/>1. Which of the sentences above are natural?<br/>2. Do all mean the same? Any difference?<br/>3. If no difference, can they be used interchangeably?<br/><br/>Please advise. Thanks.