(A) Locating text

(B) highlighting text

(C) dragging and selecting text

(D) formatting text

(A)     Independently

(B)     Asynchronously

(C)     Synchronously

(D)     In CloudEdit

Step-by-step explanation

When two people collaborate on an online document at the same time, they are collaborating synchronously. Synchronous editing is often be done in a cloud service or similar multi-editor program, as it enables multiple users to edit the same file or project from different devices and locations simultaneously. In other words, they are synchronizing their editing rather than editing independently and later sharing their work.