(9) Therefore, only about 10% of the Ottoman Turkish population was literate.
(10) However, in 1928, Mustafa Kemal Atatük changed many things about the Turkish language. (11) He changed the writing system to a Turkish variant of the Latin alphabet. (12) Furthermore, he added six letters from different languages, including German, Swedish, and Romanian. (13) The change in the writing system benefited Turkey greatly. (14) During the 1930s, the literacy rate shot up to 70%. (15) Today, the literacy rate in Turkey is approximately 87%.
19
What is the purpose of the transition "therefore" as it is used in sentence 9?
A.
to introduce an effect
B.
to indicate a place
C.
to show a sequence
D.
to conclude the article

Question

(9) Therefore, only about 10% of the Ottoman Turkish population was literate.
     (10) However, in 1928, Mustafa Kemal Atatük changed many things about the Turkish language. (11) He changed the writing system to a Turkish variant of the Latin alphabet. (12) Furthermore, he added six letters from different languages, including German, Swedish, and Romanian. (13) The change in the writing system benefited Turkey greatly. (14) During the 1930s, the literacy rate shot up to 70%. (15) Today, the literacy rate in Turkey is approximately 87%.
19
What is the purpose of the transition "therefore" as it is used in sentence 9?
A. 
to introduce an effect
B. 
to indicate a place
C. 
to show a sequence
D. 
to conclude the article

Vocaloid · Answer

Thoughts? As a major hint the word “therefore” is used when a sentence can be justified/explained by the previous context.

Ex. It will rain; therefore, I brought an umbrella.

Re-read the statement and answer choices and see which one is the most plausible.