The Illusionist, a novel by Irish author Jennifer Johnston, had been first published in 1995 by Sinclair Stevenson and is considered to be one of her best works
A. a novel by Irish author Jennifer Johnston, had been first published in 1995 by Sinclair Stevenson and is
considered to be one
B. is a novel by Irish author Jennifer Johnston, which was first published in 1995 by Sinclair Stevenson and is
considered as one
C. a novel by Irish author Jennifer Johnston, was first published in 1995 by Sinclair Stevenson and is considered one
D. a novel by Jennifer Johnston, an Irish author, was first published in 1995 by Sinclair Stevenson and was
considered as one
E. a novel by Irish author Jennifer Johnston, is first published in 1995 by Sinclair Stevenson and is
considered to be one
probably the easiest of the lot.
considered does not need "to be" or "as"
eliminate A,B,D,E
C wins.