No. Ambitious directly means "determination to succeed". In this context, it's being used to show a large amount of something, which isn't right.
Answer: Their
Explanation:
Their = belonging to or associated with the people or things previously mentioned or easily identified.
D is correct
A is wrong because is should be are
B is wrong because does should be do
C is wrong because has should be have
Answer:
It is important to be polite, because no one likes a person who is rude.
Explanation:
this is the best replacement sentence because it contains the correct transition word
