Given the following line of code:

if $($speed $45$ and speed $70)$:

limit $=$ 'within range'

A$.$ Both conditions must be false for line $2$ to execute.

B$.$ Both conditions must evaluate to true for line $2$ to execute.

C$.$ These lines will generate an error because Python cannot assign strings after integer evaluations.

D$.$ First condition must be true but second can be false for line $2$ to execute.