Every chess game contains millions of potential moves, which makes it impossible to predict…

Every chess game contains millions of potential moves, “which makes it impossible to predict” a player’s strategy more than a few minutes into the future.

The quoted part is underlined.
A) which makes it impossible to predict
B) making it impossible to predict
C) making it impossible in predicting
D) so predicting is not possible
E) it is therefore impossible to predict

Ok, so my plan was to take the November SAT and if I was not satisfied, to take the SAT again in December…

Ok, so my plan was to take the November SAT and if I was not satisfied, to take the SAT again in December. January would be an extreme case backup. This was because I wanted at least three shots at the current version. However, i just discovered that by the time the November scores come out, the registration date for the December SAT is way past already! Any way to circumvent this? I really do want to take the December SAT too.

Lauren was often labeled easygoing because she tended to appear…

Lauren was often labeled easygoing because she tended to appear mild and _______ rather than tense and _____
A) Sullen… Serious
B) relaxed… Excitable
C) joyful… Intelligent
D) slow… Patient
E) likable… Humorous

Got pretty confused on this question :/
Also, is there any way to ask you Passage questions? Could I like attach a pic of the passage?
Btw, your blog and book, both are amazing. ☺