Sentence Correction

30. A special Japanese green tea called genmai-cha contains brown rice and is considered as a delicacy fit for a gourmet by most Japanese, though it is virtually unavailable outside Yokohama.
(A) A special Japanese green tea called genmai-cha contains brown rice and is considered as a delicacy fit for a gourmet by most Japanese, though it is virtually unavailable outside Yokohama.
(B) Considered to be a delicacy fit for a gourmet by most Japanese, genmai-cha is a special green tea that contains brown rice, virtually unavailable outside Yokohama.
(C) A special Japanese green tea called genmai-cha contains brown rice and is considered a gourmet delicacy by most Japanese, though it is virtually unavailable outside Yokohama.
(D) Most Japanese consider genmai-cha, a special green tea which contains brown rice, as a delicacy virtually unavailable outside Yokohama.
(E) Though virtually unavailable outside Yokohama, most Japanese consider genmai-cha, a special green tea that contains brown rice, a gourmet delicacy.

I am going with [spoiler](E)[/spoiler]

b for me.

OA is C. Kindly explain me

consider should be used idiomatically
this rules out A,B and D

C seems veryx wordy and awkward
E is the only answer that properly gives the contrast and is concise

Choice e seems to be refering to brown rice as a delicacy. In choice C, the intention is clearly brought out.

The correct ans is C.

A, B, D are out because they are idiomatically incorrect.
in E, 'Though virtually unavailable outside Yokohama' seems to be wrongly modifying most Japanese, so E is also oout of consideration.

Please correct me if I am wrong!

Answer 'c' is correct because it used the right idiom ''considered''...considered should not be used with as. and also choice 'c' is clearly defined