As she gazed across the plain, a smell filled her nostrils. Which phrase can replace smell to give the sentence a peaceful tone? (1 point)

A. clean scent
B. sickening stink
C. putrid stench
D. foul odor

A. clean scent

To find the phrase that can replace "smell" to give the sentence a peaceful tone, we need to consider the descriptions provided in the answer choices.

A. "clean scent" suggests a pleasant and refreshing aroma, which aligns with the desired peaceful tone.
B. "sickening stink" and C. "putrid stench" both convey unpleasant and offensive odors, which do not match the peaceful tone we are looking for.
D. "foul odor" also implies a negative and unpleasant smell, so it does not fit the desired tone.

Therefore, the phrase that can replace "smell" to give the sentence a peaceful tone is A. clean scent.