I would say B.
A, umm, don't crash trains, that's bad.
C, Lillian is wondering how fast a train can go, not at what curve will it fall.
D, Lillian isn't wondering about the size of the trains, just the speed.
Answer:
Stomach
Explanation:
Its an organ, not a gland
The answer is C. solid iron and nickel
I got quite Of bit of answers out of this