In context, which is the best version of sentence 7?

in 1981 a fundraising drive was begun by the hickory college green thumb club to raise additional money for the project.

a. in 1981, to raise additional money for the project, a fundraising drive was begun by the hickory college green thumb club.

b. the hickory college green thumb club began a fundraising drive to raise additional money for the project in 1981.

c. the hickory college green thumb club, to raise additional money for the project, in 1981 had started a fundraising drive.

d. to raise additional money for the project in 1981, a fundraising drive was begun by the hickory college green thumb club.

e. a fundraising drive was begun in 1981 by the hickory college green thumb club to raise additional money for the project.