Step 1: Understanding paper types for oil painting
- Oil painting requires paper that can handle the thick texture and the oil-based paints without damage. Special oil sketching paper is designed for such artwork, as it is treated to absorb oils better.
Step 2: Analyzing the options
- (A) Whatman paper: Whatman paper is high-quality paper used for general artistic purposes, but it is not ideal for oil painting as it may not absorb oils effectively.
- (B) Oil sketching paper: Correct. Oil sketching paper is designed specifically to handle the application of oil paints, providing a suitable surface for the medium.
- (C) Cartridge paper: Cartridge paper is commonly used for sketching with dry media but is not suitable for oil paints due to its tendency to absorb too much oil.
- (D) Pastel paper: Pastel paper is made for dry media like pastels and is not appropriate for oil paints.
Step 3: Conclusion
Thus, the correct answer is (B) Oil sketching paper, which is specifically designed for oil painting.
\[
\boxed{\text{Correct Answer: (B) Oil sketching paper}}
\]