What are the options? Grammar-wise, a colon is usually used to introduce a list in a sentence.
Sorry, but this question is impossible to answer without any background information. Hope this helped :)
It could be 'dare' or 'donare'!
Answer:
みなさん、こんにちは塚佐公子です。みなさんにお会いできてとても嬉しいです!
Explanation:
c: