Definition of laud: praise (a person or their achievements) highly, especially in a public context.
welcome:an instance or manner of greeting someone.
I dont see how these could be similar but they are similar in greeting someone. Yet one is greeting someones achievements and the other greeting someone to a place ( home, food area etc. )
You cannot put any sort of endmark (period, question mark, or exclamation point) here because it is not a complete sentence. Complete sentences must have a subject and a predicate. You can tell there's not even a verb here, so this is just a fragment, and we would have to use a comma.
a. Very truly yours,
Answer:
im pretty sure it is the first or third and sorry if its wrong