For i have sworn before you and almighty god the same solemn oath our forebears prescribed nearly a century and three quarters ago. in this excerpt from president john f. kennedy’s inaugural address, the word “forebears” most likely means children deities founders parents

When the President John F. Kennedy used the word “forebears” referring that they and he had made the same oath, he refers to the ones that were before him giving the same word, his ancestors, the ones that were in  the same position that he, the founders of the nation.

i think the answer is c. she can't feel happy because things are moving too quickly.