The influence of shape of aggregate in strength and workability of concrete are given below in statements S1, S2, S3 and S4. Which of the statements are correct?S1: Rounded aggregate produces concrete with high workability and low strength.S2: Angular aggregate produces concrete with high workability and low strength.S3: Rounded aggregate produces concrete with low workability and high strength.S4: Angular aggregate produces concrete with low workability and high strength.

• A. S3 and S4
• B. S2 and S3
• C. S1 and S2
• D. S1 and S4