40. In metalwork one advantage of adhesive-bonding over spot-welding is that the contact, and hence the bonding, is effected continuously over a broad surface instead of a series of regularly spaced points with no bonding in between.

(A) instead of

(B) as opposed to (C) in contrast with (D) rather than at（D） (E) as against being at

In E,as against being at is a wordy and unidiomatic way to establish the intended contrast.

og 这句话是什么意思？偶看不懂。请哪位nn 帮忙解释一下，谢谢！