The second thing to be affected by alcohol is reaction time.
The mood is mostly upbeat. It is also very calming, in the background, there are some girls singing a smooth melody! What I mean by upbeat is that the song use has good instruments to get a good rhythm. While listening to the song you would most likely feel like you would want to move around. It is not the type of song to make you want to "Do the Harlem Shake". The song is also particularly old.
B is the answer for this question
d. Latin implicare
Employ would be in the modern dictionary, which is why I chose d.