[quote="Bunuel"]
Spontaneous internal bleeding and the formation of blood clots and malignancies present considerable risk during the post-heart transplant recovery process.(A) Spontaneous internal bleeding and the formation of blood clots and malignancies present considerable risk during the post-heart transplant recovery process.
...internal bleeding and the formation of ... present considerable risk during the ... recovery process.
grammar correct. clear meaning. keep A(B)
The reason the post-heart transplant recovery process presents a considerably risk is
because of spontaneous internal bleeding and the formation of blood clots and malignancies.
the reason and because of : redundant error. B out
(C) A considerable risk is presented during the post-heart transplant recovery process,
where internal bleeding is spontaneous and
the formation of blood clots and malignancies.where is incorrect since "the ...recovery process" is not a place
"and the formation of blood clots and malignancies" => suppose and + clause, this phrase lacks of verb.
C out
(D) The post-heart transplant recovery process presents a considerable risk due to the fact of spontaneous internal bleeding, and blood clots and malignancies are formed.
"due to the fact of" redundant, wordy
due to the fact of + Noun => "blood clots and malignancies are formed." - a clause => incorrect
Or "and blood clots and malignancies are formed." is an independent clause connected to main clause by "and" => distort the meaning
D out
(E) Spontaneous internal bleeding, along with the formation of blood clots and malignancies, are what make the post-heart transplant recovery process risky.
Spontaneous internal bleeding is singular subject => singular verb => "are" incorrect. also make => should be "makes"
"along with the formation of blood clots and malignancies" = noun modifier, does not create compound subject
E out
Answer : A