In which language was Luther's booklet being written?

In Latin language was Luther's booklet being written.

Luther wrote in German. In fact, he was the first to translate the Bible into German and is credited to be one of the fathers of the modern German language.

Explanation:

Luther's booklet being written in German. It was very short and easy for people to understand. Luther's first widely successful work, it was reprinted twenty times. Tetzel responded with a point-by-point refutation, citing heavily from the Bible and important theologians.

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.