Final answer:
Enhancements for Sushi Tacos can include spicy sauce for heat, avocado topping for creaminess, tempura flakes for crunch, and sesame seeds for a nutty flavor and decorative touch.
Step-by-step explanation:
An enhancement for Sushi Tacos could include a variety of creative toppings and flavors. Option (a), a spicy sauce, could add a kick and depth of flavor for those who enjoy a little heat. Option (b), an avocado topping, provides a creamy texture and a rich, buttery flavor that complements the freshness of the sushi ingredients. Option (c), Tempura flakes, offer a crunchy contrast to the softness of the sushi rice and fish, adding an interesting textural element. Lastly, option (d), sesame seeds, could provide a subtle nutty taste and an additional decorative touch to the presentation of the sushi tacos.