In which sentence is the underlined word the SIMPLE PREDICATE?

A. According to legend, there is buried pirate treasure nearby.
B. People with metal detectors search for it every weekend.
C. So far, no treasure has been found.
D. Most treasure seekers leave here disappointed.

To identify the simple predicate in a sentence, you need to look for the main verb or the action that is being performed in the sentence. The simple predicate is typically a single verb or a verb phrase.

Let's analyze each sentence to find the simple predicate:

A. According to legend, there is buried pirate treasure nearby.
The simple predicate in this sentence is "is buried."

B. People with metal detectors search for it every weekend.
The simple predicate in this sentence is "search."

C. So far, no treasure has been found.
The simple predicate in this sentence is "has been found."

D. Most treasure seekers leave here disappointed.
The simple predicate in this sentence is "leave."

Therefore, the answer is C. In the sentence "So far, no treasure has been found," the underlined word "found" is the simple predicate.