Which sentence correctly uses the modal verb “could”?

• ক) I could going to the cinema, but I am too tired.
• খ) You could have called me if you were running late.
• গ) He could studies harder if he wants to improve.
• ঘ) She could to play the piano when she was young.

• You could have called me if you were running late.

যিকোনো এটা বিকল্প বাছি লোৱাৰ পিছত উত্তৰটো চাব পাৰিব।