The curve $\mathrm{y}=(\mathrm{\lambda }+1){\mathrm{x}}^2+2$ intersects the curve $\mathrm{y}=\mathrm{\lambda x}+3$ in exactly one point, it $\lambda$ equals

• A

  {-2, 2}

• B

  {1}

• C

  {-2}

• D

  {2}