<span>o,t,t,f,f,s,S,E,N,T,E,T </span> <span>It's the first letter of all the numbers starting with one, two, three, four,... </span>
<span>The second pattern I might guess would be move the O back two spaces then move one space back, then repeat. </span> <span>JKLMNO, JKLOMN, JKOLMN, OJKLMN, JKLMON, JKOLMN, ... </span> <span>The second one I'm not sure about because there are only three starting terms to work with. It's hard to see the real pattern with that little to work with. </span>
Based on the information given, it can be noted that the opening lines were A. stating factual details.
The opening line on the excerpt is "One of the first Chinese McDonald’s opened on April 23, 1992, in Beijing, the largest in the world, at the time".
It can be inferred that the author was stating factual details. This simply means that the author was stating facts rather than giving personal opinions.