Brozel : after a Strong 1NT Opening bid

Defender shows 10+ HCP and 6 losers, or 7 losers with good texture.
(1NT) - ?
A. DBL = "I hold a long suit"
  1. Partner to bid 2♣ → to find the long suit
  2. or bid his own long suit
  3. Pass with 10+ pts and scattered values
  4. bid 2NT, when strong → to find the long suit

B. 2♣ = 5-4 in ♣ and (either suit can be the 5-card suit)
C. 2♦ = 5-4 in   and
D. 2♥ = 5-4 in and ♠
E. 2♠ = 5-4 in ♠ and a minor suit

Typical Brozel hands are :
♠ K Q 8 7 4
♥ A Q 6 3
♦ 9 5 4

♣ 3
(1NT) - 2♥
♠ K J 10 7 4 2
♥ 6
♦ A K 4

♣ 9 8 5
(1NT) - DBL
♠ 8
♥ A Q 6 5
♦ A 10 8 7 4 2

♣ 7 6
(1NT) - 2♦
♠ A Q 9 3 2
♥ 9 7
♦ 6 3

♣ K Q 10 5
(1NT) - 2♠