Which revision, if any, BEST improves meaning in the underlined portion in Sentence 10?

I think A, sorry if I'm wrong.

Explanation:

I think it's A because the second says "to change my mind." Answer A was the sentence that made the most sense to choose because it says "I predicted."

if this is a true or false question its true

the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."