PLEASE HELP! HURRY!

A "testable" question is one that .

A.) will be asked on a test
B.) has no possible answer
C.) should be tested before it is asked
D.) can be answered by doing experiments

Hydrogen has only one electron in its only (and outer) electron shell. if a hydrogen atom were to absorb a small amount of energy, where would bohr say the electron would go? a. fly off the atom b. nowhere, it would just speed up. c. spiral inwards towards the nucleus d. move up to another shell that would form