What Characterizes the Organizational Structure of Texas County Government

What characterizes the organizational structure of Texas county government?

A) They vary widely from county to county but all have few implied powers.
B) They are tightly organized with a relatively high degree of power and autonomy.
C) They are highly fragmented with relatively few implied powers.
D) They are slightly fragmented though some have significant powers.
E) They are tightly organized with relatively few implied powers.