Read the following sentence:

At the top of the hill was a beautiful meadow filled with flowers.

What is the simple subject of the sentence above?

A. Meadow

B. Flowers

C. Hill

D. Top

The correct answer is letter B.

The word "flowers" refer to the simple subject within the sentence. Simple subjects are the main context of a sentence. It gives the whole idea of a sentence when it is related to other words. The three other choices are not the simple subjects in the sentence but rather are adjectives and indirect objects.