Under the equal-field system, the tang government

a. allotted land according to the land's fertility and the recipients' needs.
b. allowed one-half of lands to become the hereditary property of recipients.
c. was able to levy heavy taxes on the recipients.
d. eliminated the possibility of concentrated landholdings among the wealthy.

Answer is A. Allotted land according to the land's fertility and the recipients' need.

Explanation:

The Tang government by the Tang dynastyto  is known to be the dynasty that attracted international reputation that span through the city.

The Tang dynasty is also described as the golden the age in china history because of the wonderful development that the dynasty brought  to the Chinese arts and culture.

It was recorded that the tenure of the Tang dynasty was between 618 - 907 CE.

answer; i do believe its (b) 12.5 years of age;

you so !