Electric circuits — practice question

Two $2.0\,\Omega$ resistors are joined in parallel. What is the resultant resistance of the resistors?

• Aless than $2.0\,\Omega$
• Bexactly $2.0\,\Omega$
• Cmore than $2.0\,\Omega$, but less than $4.0\,\Omega$
• Dexactly $4.0\,\Omega$