Select the phrase(s) from the given three options which can be used to form a single sentence from the two sentences given below, implying the same meaning as expressed in the statement sentences. The given options may or may not be starters.
A. The huge array of blood tests available to the clinician’s aid in a rapid diagnosis in many instances.
B. The choice and the interpretation of the test needs to be considered in light of the patient and their presenting symptoms. 1. But the choice and… 2. Since the choice and… 3. Hence, the choice and…

The sentences are contradictory - A tells us that the vast array of blood tests available to the clinician aid diagnosis, and B contradicts it by telling us how the choice of the test and its interpretation needs to be considered in light of the patient and their symptoms. 1 is correct as BUT is used to show contradiction - “The huge array of blood tests available to the clinician’s aid in a rapid diagnosis in many instances, but the choice and the interpretation of the test needs to be considered in light of the patient and their presenting symptoms.”