Which sentence uses a conjunctive adverb?

A. One commandment is to love the Lord completely, and we have a lifetime task before us.
B. One commandment is to love the Lord completely; hence, we have a lifetime task before us.

2. Which sentence uses a conjunctive adverb?

A. The steaks in that restaurant are really tough; moreover, the vegetables are always cold.
B. The steaks in that restaurant are really tough, and the vegetables are always cold.

3. Which sentence uses a conjunctive adverb correctly?

A. The kite was hopelessly tangled in a tree; still, the little girl's father struggled to get it down.
B. The kite was hopelessly tangled in a tree, still, the little girl's father struggled to get it down.

(Please help me & hurry!)