The following that can be used to separate independant clauses are; colon, semicolon, comma, and hyphen. I did this in my school and they are all correct. I hope this helps you or anyone.
Answer:
Because while in high school you need to go on a Track for your further education
The correct answer is answer is D.
Answer:
Wordsworth is lonely at the start of his poem, however, his mood changes when he sees the daffodils.
Explanation:
The first answer is incorrect because that is not how you use ;.
The third answer is incorrect since it is also not how you use ;.
The fourth answer is not even punctuated