Who invented an efficient way to manufacture frozen fries which to speed up the growth of the fast food industry

John Richard Simplot (1909-2008) is the responsible for developing the first commercial frozen French Fry, which he started distributed at the age of 20 (1929), in his newly founded Company The J. R. Simplot Company in Idaho.

With his entrepreneurship, Simplot revolutionized the fast food industry: big companies were now able to storage French fries for a long time while keeping their flavors.

it is grammatically incorrect and is illegible to me and i can not answer it.

answer: b) bubbling its way

explanation: an adjective is a word or a group of words that modifies a noun (name, thing, place,

in this case, the first option "to heartily enjoy" isn't describing or modifying any noun, the third option "hiking along merrily" is describing an action but it doesn't modify any noun, the last option "beside us" is just a preposition that indicates position, so the correct answer is the second one: "bubbling its way" because it is modifying the noun "stream".