IMO A
The report urges
convening a White House conference, encouraging Congress to appropriate more money for schools and establishing networks of black mentorsList
<to convene> a White House conference
<to encourage> Congress to appropriate ....
<to establish> networks of..
The verbs have to be parallel
B.
convening a White House conference,
to encourage Congress to appropriate more money for schools and
for establishing networks of black mentors >> not parallel
C.
convening a White House conference,
encouraging Congress to appropriate more money for schools and
to establish networks of black mentors >> not parallel
D.
the convening a White House conference, encouraging Congress to appropriate more money for schools and establishing networks of black mentors
Only A and E are parallel:
A. convening a White House conference, encouraging Congress to appropriate more money for schools and establishing networks of black mentors
E. for convening a White House conference, for encouraging Congress to appropriate more money for schools and establishing networks of black mentors
I will go with A, since per my info, urge does not need for.
urge someone to do something == to try to get someone to do something.
Ex. I urge you to give skiing a try.