Select the alternative that shows the correct splitting of the word according to Sandhi rules (Sandhi-Vicched).
"उल्लास"

The word 'उल्लास' is formed using Vyanjan Sandhi (Consonant Sandhi). According to the grammatical rule, when a dental stop 'त्' or 'द्' is followed by the lateral consonant 'ल्', the 'त्' changes into 'ल्'.
$$\text{उत्}+\text{लास}=\text{उल्लास}(\text{त्}+\text{ल}=\text{ल्ल})$$

Thus, option A is correct.