A triangular section having base b, height h, is placed with its base horizontal. If the shear stress at a depth y from top is q, the maximum shear stress is

• A. <img src="/_files/images/civil-engineering/strength-of-materials/141-6.234-1.png">
• B. <img src="/_files/images/civil-engineering/strength-of-materials/141-6.234-2.png">
• C. <img src="/_files/images/civil-engineering/strength-of-materials/141-6.234-3.png">
• D. <img src="/_files/images/civil-engineering/strength-of-materials/141-6.234-4.png">