Lieutenant is not a part of the main clause, and it is an address to a person that is inserted into the sentence. It must be therefore separated by comas on both sides: the correct answer is a.
using a multitude of space fillers speaking loudly enough for everyone to hear knowing what he is going to say so as to avoid space fillers
<h3>What is
space fillers?</h3>
a short, unimportant article written to fill space in a magazine or newspaper
"Actually" is merely a pause word that a user inserts into a sentence while pondering what to say next or to emphasize the obvious. However, the obvious does not require reinforcement.
Fillers are composed of sugar molecules or hyaluronic acids, collagens (which can come from pigs, cows, cadavers, or be generated in a laboratory), the person's own transplanted fat, and biosynthetic polymers.
Fillers can help people understand what you're saying.
Perhaps the most obvious effect, fillers show that a speaker is still actively speaking – that they still want the airtime.
To know more about space fillers follow the link:
brainly.com/question/352441
#SPJ4
There all working very hard but do not earn stuff
