Identify the segment that contains a grammatical error. If there is no error, select 'No error'.
Running into Sonya's room and not finding her there, / Natasha ran to the nursery, / but Sonya was not there either.

Correct option is D

No error. Explanation: The sentence is grammatically correct in all parts. The structure uses appropriate verb forms and sequence of actions, with each clause correctly linked to convey a series of actions.
Breakdown:
(a) "Running into Sonya's room and not finding her there," uses the correct participial phrase to describe Natasha's actions in the past.
(b) "Natasha ran to the nursery," correctly connects Natasha's actions in sequence.
(c) "but Sonya was not there either," adds further detail with a conjunction, without any grammatical mistakes.
Grammatical Rule: The sentence correctly uses a compound-complex structure where each part maintains subject-verb agreement and logical sequence.