A lot of small towns in Nanchong are definitely worth.A. visitingB. visitedC. to be visit

问题补充：

A lot of small towns in Nanchong are definitely worth.

A. visiting

B. visited

C. to be visited

D. being visited

答案：

(答案→)A. visiting

B. visited

C. to be visited

D. being visited

解析：考查固定句型。固定句型：sth be worth doing值得做某事；该句式使用主动形式表示被动的含义。句意：南充的很多小镇都值得参观。另外一些相似的结构为：sth be worthy of being done=sth be worthy to be done。表示某事值得被做。故A正确。