I’ve heard that the wood tower was built more than 1 000 years ago so I think it is worth

问题补充：

I’ve heard that the wood tower was built more than 1,000 years ago, so I think it is worthy ．

A. visiting

B. to visit

C. being visited

D. to be visited

答案：

A. visiting

B. to visit

C. being visited

(答案→)D. to be visited

解析：考查worthy的用法。句意“我听说那座木塔建于1000多年前，因此我认为它很值得参观。”sth. be worthy of being done.=sth. be worthy to be done.“某事值得做”。故选D。