B. she may feel you are stingy
C uses correct parallel structure.
You would use a semicolon (;) when you could stop a sentence but choose to continue it further.
Answer:
1. b. ship
2. c. journey
3. for 1. they sailed (only ships sail) and 2. they traveled/sailed to somewhere else, "they sailed in the Atlantic" to "visit new places." And that's usually called a journey
4. a.
