Firstly, thank you all for coming. Secondly, let me introduce you to the name of this course. And ............., have luck!  a) finally  b) lastly  c) in the end  d) in conclusion​

Respuesta :

Answer:

D

Explanation:

When completing a speech it's very important to add a conclusion to summarise all you've said

b. finally

The start of the last sentence is and... which means that the speaker is listing things. "finally" is used for lists.