Step 1: Symptoms of tuberculosis.
Tuberculosis (TB) is a bacterial infection that primarily affects the lungs but can also affect other parts of the body. The symptoms of TB include a frequent cough, weakness, and fever.
Step 2: Analyzing the options.
- (A) Frequent cough: This is a common symptom of TB.
- (B) Weakness: This is also a symptom of TB.
- (C) Having fever: Fever is another symptom commonly associated with TB.
- (D) All of these: This is correct. All the listed symptoms—frequent cough, weakness, and fever—are associated with tuberculosis.
Step 3: Conclusion.
The correct answer is (D) all of these, as all these symptoms are related to tuberculosis.
Final Answer:
The correct answer is (D) all of these.