Answer: Dicus toss
JAVILIN IS WRONG
will have gone
B.
is going
C.
has gone
D.
must go
Progressive means that it is going on, or has shown signs of progression.
So A and D can be eliminated.
That's would leave B and C.
Since it says progressive and not progression, B would be the correct choice here.
One of the brothers falls in love with a woman in a foreign town.
One of the brothers joins a secret society in their town.
One of the brothers picks a fight with their landlord
One of the brothers falls ill with pneumonia" would be something that could develop the theme of love and duty in a story about two brothers in their early twenties.