The infrastructure of our city needs upgrading. It’s in an extremely poor condition now.

The infrastructure of our city needs upgrading. It’s in an extremely poor condition now.

A. The infrastructure of our city needs upgrading, for it’s in an extremely poor condition now.

B. The infrastructure of our city needs upgrading though it’s in an extremely poor condition now.

C. While the infrastructure of our city needs upgrading, it’s in an extremely poor condition now.

D. The infrastructure of our city needs upgrading when it’s in an extremely poor condition now.
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Đáp án: A
Dịch: Cơ sở hạ tầng của thành phố của chúng tôi cần nâng cấp, vì hiện tại nó đang ở trong tình trạng cực kỳ tồi tệ.