It is c because you look for links like commas and "and" follow the street; turn right; walk around.
Answer:
I cant correctly understand what you are trying to convey to me
Explanation:
I can assume that by the meaning of allusion, therefore that they are a passing mention of the ships, something that merely came to the surface of conscious thought. Other than that, I cannot help you.
This sentence is a simple sentence, even though it has 'and'.