Select the most appropriate option that can substitute the highlighted segment in the given sentence. If there is no need to substitute it, select ‘No improvement required’.
Very early in the morning, at the beginning of January, Opu was lying in bed waiting
for the sun having rose.

Correct option is D

The original phrase "waiting for the sun having rose" is grammatically incorrect because it awkwardly mixes tenses and aspects.
· "Having rose" is not a valid construction; "rose" is the simple past tense of "rise," and it's incorrect to pair it with "having."
· The corrected phrase, "waiting for the sun to rise," uses the infinitive form "to rise," which correctly indicates that Opu is in a state of anticipation for a future event (the sunrise), aligning properly with the continuous action indicated by "waiting."
· This correction provides a grammatically correct and temporally consistent description of the action.