You chose to bid 3 No Trump. This is correct. You have supported your partner's choice of bids, and showed him at least 4 points.

The bidding will now go No bid, No Bid, No Bid, and the Contract is 3 No Trump to be played by North.

The opening lead is made by East. Here is his hand.

Spades             Q,5,4,3
Hearts              10,9,8
Diamonds         7,4,3
Clubs               A,8,4

44. Remembering the suggestions for leads against a No Trump contract, what should he lead?

a. Ace of Clubs
b. 3 of Spades