Mandarin Chinese speakers are found a
primarily in China
b
on all continents and is quickly becoming the most learned global language
c
throughout all of Asia, but primarily in the southern region
d
evenly distributed throughout the world

C

Explanation:

Mandarin is by far the largest of the seven or ten Chinese dialect groups, spoken by 70 percent of all Chinese speakers over a large geographical area, stretching from Yunnan in the southwest to Xinjiang in the northwest and Heilongjiang in the northeast. Most of Northern and Southwestern China.

mexico south america

explanation:

i believe your answer is d)