The correct answer to this question is b
The lines that best shape the theme that experiencing the beauty of the natural world is a path to happiness are the ones in option A. " And then my heart with pleasure fills, / And dances with the Daffodils." The writer's is happy when he / she sees the flowers -daffodils- moving in the wind.
Part B
" dancing in the breeze" , this image of the daffodils creates a mood that helps convey the theme named in Part A because it creates a cheerful mood that helps readers understand how the natural world can inspire feelings of joy. Therefore, option B is the correct one.
The correct answer is C, historical context. There have been many literary movements throughout time, starting from the old era, to the postmodernism that is today. And usually, each literary movement was created as a reaction to the previous movement - romanticism was before realism, modernism was after realism, etc. The historical context demanded changes, and as years passed, people and their needs changed, and thus new literary movements were created. During Queen Victoria, there was Victorian era, where everyone was reserved and cared about their reputation, and that reflected in the literature. When people needed something modern, modernism emerged. When technology thrived, cyber punk literature was created. Every era demands a different approach to literature, and thus new movements are born.