They had prosperous economy(great progress in agriculture, commerce, and handicraft industry) and flourished in science and technology such as developments of compass, gunpowder, and movable type printing.
The answer to this is choice C.)
Unluckily, you missed to show her the choices in which we can choose our answers from. However, it must be noted that for oral presentation, one must be very knowledgeable about the topic at hand and be able to present it well by being confident in front of the audience.
Answer:
It would be nevertheless.
Explanation:
Using otherwise is basically saying if one thing doesn't happen then something else will happen. EX: Do this otherwise..
A,the right answer is Comma...