Select the most appropriate option to fill in the blank School classrooms have _________ very little over the last century.

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Select the most appropriate option to fill in the blank School classrooms have _________ very little over the last century.

Achanged

Bfreed

Cstartled

Dunconcerned

Answer:

A. changed

Read Explanation:

• Why "changed" is the correct answer: Contextual Logic: The sentence compares school classrooms from the "last century" to those of today. In historical comparisons, we usually discuss how much something has evolved, remained the same, or changed. Observation: It is a common social observation that while technology (like phones or transport) has transformed drastically, the basic physical layout of a classroom (rows of desks, a board at the front) has changed very little in 100 years. Grammatical Fit: "Changed" is the past participle of the verb "to change," which fits perfectly after the auxiliary verb "have" to form the Present Perfect tense (have changed).

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