The following question is based on your reading of "Robinson Crusoe" by Daniel Defoe. What is the purpose of the large, cross-shaped post? a. Robinson uses it as part of his shelter. c. Robinson uses it as an altar ... b. Robinson uses it as a calendar. d. Robinson uses it as an anchor for his canoe.

The correct answer is

b. Robinson uses it as a calendar.

Basically, he engraves when he got there on it and then he puts markings on it to count how many days and months has he spent on the island. He uses it as a primitive calendar but it works well and serves its purpose. Eventually he fills up the entire post.

The answer is B) Robinson uses it as a calendar.