Rearrange the following SIX sentences/ group of sentences (A), (B), (C), (D), (E), (F) and in a proper sequence to form a meaningful paragraph; then answer the questions given below them.

A. There was great mystery as to the ultimate details which were buried in what in Russian is called a matryoshka doll structure. 

B. It actually referred to the nested structure of offshore shell companies used in the Rosneft-Qatar/Glencore purchase.

C. On December 7, 2016 Russia’s President Vladimir Putin announced that the Russian state had sold a 19.5% share of Rosneft to a joint venture.

D. Russia retained more than 60% control by the sale

E. It was between Swiss commodity giant, Glencore and the Qatar Investment Authority for €10.2 billion. 

F. It refers to the famous Russian painted dolls which when opened, reveal a smaller doll and again, an even smaller doll and so on.