10/40 simplified is 1/4
1/4 equals 25%
I believe it is A due to "The lady made detailed plans, engaged the caterer and the orchestra well in advance" isn't exactly connect well and be hard to understand so you'd put a comma between "caterer, and".
I’m pretty sure A. not positive but pretty sure
Courage is a virtue seems like the answer, but I haven’t read the book. Though, I’m making an education guess because it takes courage to go to the moon.
I think it is a drug-resistant bacteria.
