what development that occures under the guptas is illistrated out of these answers A. contributions to the decimal system B. advances made in metallurgy C. the renewed importance of buddhisum or D. advances in art and engineering

Out of the given options, the development that occurred under the Guptas which is illustrated is A. contributions to the decimal system. The decimal system, including the use of zero and place value system, was developed and perfected during the Gupta Empire, which greatly contributed to the field of mathematics and had a significant impact on scientific and technological advancements.