Tom is on board a bus that is travelling with

Tom is on board a bus that is travelling with a constant velocity relative to the ground. Fred is standing on the ground. Both Tom and Fred are holding identical stopwatches and meter sticks that are parallel to the ground. According to the Special Theory of Relativity, which of the following is correct? 

a). According to Tom, Fred’s stopwatch runs slower and Fred’s meter stick is shorter 

b). According to Fred, Tom’s stopwatch runs faster and Tom’s meter stick is longer. 

c). According to Fred, Tom’s stopwatch runs slower and Tom’s meter stick is shorter. 

d). According to Tom, Fred’s stopwatch runs faster and Fred’s meter stick is longer. rn