I think "The author's work of literature is full of many confusing pieces." and "<span>This literary work has many challenges and pitfalls." are more precise while professional.
However I have a suggestion: change "</span>The author's work of literature is full of many confusing pieces." to "<span>The author's work of literature consists many confusing pieces."</span>
The introduction will introduce the topic to the reader by stating what the topic is and giving some general background information.
The answer is C.
1. The reader would most likely conclude that "<span>The sisters are envious that Ma Sogolon gave birth to a healthy boy". The correct option among all the options that are given in the question is the third option or option "c".
2. The most likely reason Sunjata can walk is "</span><span>He was embarrassed at causing his mother to suffer humiliation". The correct option is option "d".
3. </span><span>Narrative texts include all of the following elements except humorous situations. The correct option among all the options that are given in the question is option "b".
4. </span>An epic poem contains all of the following elements except <span>a protagonist with a magical abilities. The correct option among all the options given in the question is option "a".</span>
I want to say waterings but im not too sure