I believe that 108 settlers died within the first six months. <span />
A is correct.
B's mistake is hard to see, but it is there.
C has no punctuation where it's needed.
D sounds like this: "This shovel is old and rusty it is good enough. However, for the little bit of gardening we do." It sounds rushed in the beginning and the mark doesn't help.
The correct answer for the given statement above would be TRUE. It is true that the stage manager wants to preserve this play, Our Town in the cornerstone of the new bank. This is for the future generation to know and be informed of the uncomplicated facts of the daily life during the twentieth century. Hope this answer helps.