Tell time word problems with number line

Use a number line to solving time word problems.

Problem

Mohamed speaks on the phone for 15 minutes and finishes his phone call at 9:20 a.m.9\colon20\text{ a.m.}
Which number line below has a green dot marking when Mohamed starts his phone call?
Please choose from one of the following options.
Get first 4 correct, or 5 in a row.