b. "the work was governed by extremely tight, rigid discipline"
f. "careful organization did not solve the second problem with sugar"
Option B suggests that the process for the sugar cane plantation had to be difficult, because it is so regulated. (hence the discipline for the workers)
Option F indicates that there are still other issues included, issues that even careful organization and discipline cannot solve.
In strophe 1, the imagery used by the chorus conveys its meaning in clear terms.
The imagery used by the chorus leader has diverse meaning attached to it. It shows that the images have their different tones and attitudes when viewed by different people.
