The correct answer is B.
This idea comes from Heart of Darkness, a novel concerned with the effects of imperialism and oppression. England had the biggest empire in the world; the saying went "The sun never sets on the British Empire."
When Marlow says these words, he is referencing the evil that England's imperialism was responsible for causing in African regions. The British Empire brought many gifts to England but much suffering to conquered lands.
If you're wondering why this is, it's due to the fact that in chemical reactions, physical appearance of the products changes compared to the reactants.
It is the second option because optimist is someone who is hopeful.
Answer:
(a) by using transition words between sentences
Explanation:
it's definitely not (b)