BAKIT KAILANGANG MABATID ANG PINAGDAANANG EBOLUSYON NG ORTOGRAPIYANG FILIPINO?

In order to gain knowledge.

Explanation:

We need to know the evolution of Filipino orthography in order to gain information and knowledge about how the evolution of Filipino language occurs. Orthography refers to the conventional spelling system of a language. Filipino language derived from ''Tagalog'' which is the first language of the people living in the Filipino. We also know the language for the changes occurs in the  Filipino orthography with the passage of time.

a is correct

hope this let me know if it is right

answer; (a) he was a u.s senator for 38 years;