Which best describes the Hmong Language?

Question $15$ options:

Hmong oral language is a standardized dialect of the Malay language that was officially defined with the declaration of Cambodian independence in $1945,$ and the two languages remain quite similar.

It is a Sino$-$Tibetan language. There was no written alphabet until Romanized alphabet developed by missionaries in early $1950$s$,$ and Pahawh script developed $($by Hmong named Shong Lue Yang$)$ in late $1950$s$.$ A Thai script also exists.

It is an Aramaic language. The Hmong alphabet consists of $32$ characters, $28$ are are similar to Arabic and and $4$ additional ones are exclusive to Hmong.

The Hmong alphabet is really three writing systems that work together, and has existed since $1550.$ These three systems are called hiragana, katakana and kanji.