The Parable of the Sower (Matthew 13:1-23, Mark 4:1-20, Luke 8:4-15) describes seeds falling on different types of ground. What does the 'thorny ground' represent?

A People who hear the word but their faith is choked by worldly worries and the deceitfulness of wealth. B People who hear the word and immediately accept it with joy, but their faith is shallow and short-lived. C People who hear the word but do not understand it, and the evil one snatches it away. D People who hear the word and understand it, bearing fruit in varying degrees.