The answer is B because "I have visited many cities including the following" indicates that there is going to be a list of cities. A colon is used to introduce a series of items or to separate two independent clauses; however the second sentence has to add on to the first.
Answer:
You haven't included a passage.
Explanation:
But based on how this is worded I think B is a likely choice.
Answer:
At this stage am so confused so sorry but thanks .I hope you will understand me
Answer: D would be the correct way to rewrite that statement
Explanation:
Put the fertilizers in the plants and want and see if the plant grows