答案：B

题目分析：考查worth的用法，某事值得被做有几种表达法：sth be worth doing；sth be worth doing；Be worthy of sth./being done；It is worthwhile to do/ doing sth，所以选B

点评：掌握英语中繁多的固定句型是学好英语不可缺少的能力平时要多积累。掌握以下有关句型：sth be worth doing.    Be worthy of sth./being done. It is worthwhile to do/ doing sth.

即学即练：This book is well worth _______. Would you like to buy one?

A. to read          B. being read               C. reading          D. to be read

选C