This is interesting. It's a split between C and D for this, as it covers both almost equally. However, I would go with C, seeing as it all falls under the umbrella of "cultural significance", even when talking about what purpose the drum is being changed for.
<u>Answer:</u>
<em>Simple predicate - "delivered packages and mail"</em>
<em>Simple subject - "Frank", "School".</em>
<u>Explanation:</u>
The sentence “Frank delivered packages and mail to the school every day”. This sentence contains both simple predicate and simple subject. The simple predicate here is ‘delivered packages and mail’. Simple subject here is ‘frank’ and ‘school’. This is because Frank and school is an example of simple noun and it forms the simple subject. The simple predicate here is delivered packages and mail because it does not gives the complete information of the entire scenario.
Explanation:
A. the content can be verified through other sources