The Komisyon sa Wikang Filipino (Commission on the Filipino Language), which develops and promotes Filipino and other Philippine languages, was created by:

The correct answer is C. RA 7104 (1991)

RA 7104 created the KWF in line with Article XIV, Section 9 of the Constitution, which calls for a national language commission. The KWF issues the Ortograpiyang Pambansa, the official spelling guide for Filipino.