If he had time, he will refer you to the next doctor coming after his shift is over.
To ensure the correct tense form (has-will) you have to choose answer (c) as the right response. All other options do not match with the verb of the second action . i.e. he will refer you.
940 MCQ for effective preparation of the test of General of English Grammar section.
Read the MCQ statement: If he had time, he will refer you to the next doctor coming after his shift is over., keenly and apply the method you have learn through the video lessons for General to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 110-4389.