Answer:
c. 2.0 < t < 2.5
Step-by-step explanation:
Since, the diameter of the lake = 2 miles,
⇒ Radius of the lake =
= 1 mile,
Circumference of the lake = 

Total distance he/she has to cover =
miles
Speed = 3 miles per hour,
We know that,


Thus, the time taken by her/him ( say t ),

∵ 2.0 < 2.094 < 2.5
Hence, OPTION c. is correct.